CBSE > Class 12 > Chemistry | CBSE Board | Homework Help

One trick to identify order of rxn with graph is In our CBSE syllabus we have only 0 and1 order rxn so by graph we can identify them 1.) If graph has log either in x axis or y axis then it will be 1 order. 2.) If no log are there on x and y axis then it is zero order.

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How can we change molality value of a solution into molarity value?

Posted by Shashank Mishra 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Yogita Ingle 6 years, 4 months ago

The molality of solution is always greater than the molarity. Actually, in molarity we calculate mol per unit L (i.e. volume of solution) while in molality we calculate moles per unit Kg (i.e. mass of solvent). So, anyhow mass of solvent is less than volume of solution and thus the molality will be greater.

1Thank You

ANSWER

Conversion ANILINE TO BENZYL ALCOHOL

Posted by Rahul Singh 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Areeba Usman 6 years, 4 months ago

*the product is C6H6OH

3Thank You

Areeba Usman 6 years, 4 months ago

C6h6NH2 + NaNO2 + 2HCl -------> C6H6 N2+Cl- + H2O ---------> C6H7OH

4Thank You

ANSWER

What is ionisation enthalpy

Posted by Md Sahil 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Aman Mittal 6 years, 4 months ago

It is the energy required for removal of electron from the outermost shell of a neutral isolated gaseous atom.

4Thank You

Krishna Agrawal 6 years, 4 months ago

Energy required to move electron from ground state to to infinity to ionise the atom is called ionisation enthalpy

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ANSWER

Mechanism of hydration of alkene to form alcohol

Posted by Pramath Pathak 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Are any topics newly added in 2019-2020 syllabus?

Posted by Meera R 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Karn Grewal 6 years, 4 months ago

U must go through the whole syllabus by your own on google to check the newly added topics.

0Thank You

Pramath Pathak 6 years, 4 months ago

Ya two chapters are added in english on the behalf of the invisible man...they are 1) A road side stand ...2) I dont know..?

1Thank You

ANSWER

Dipole moment

Posted by Hrishikesh Saikia 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Ritika Yadav 6 years, 4 months ago

the product of the separation of a dipole to the magnetude of charge

1Thank You

ANSWER

Name the substance used as depressant in the separation of two sulphide ores in froath floatation method ?

Posted by Himanshu Yadav 6 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Sejal Uniyal 6 years, 4 months ago

NaCN

0Thank You

Anshika Mishra 6 years, 4 months ago

NaCN

0Thank You

Nishu Sahu 6 years, 4 months ago

NaCN

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ANSWER

How to do numerical

Posted by Lorian Mahilange 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

World Techno Site 6 years, 4 months ago

Padh ke ????

1Thank You

ANSWER

Can anyone can help me in making an investigatory project on - to identify the different elements proclaimed in health drink (horlicks)

Posted by Alisha Jajodia 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Aman Kumar 6 years, 4 months ago

Yaah..we will definitely help u...but isn't my topic , I have less idea of how to make it...but if you are confused about it, then just go to YouTube or Google, and from there just get the idea of it that how u can identity the various elements present in it...and by this u can easily be able to prepare it.

4Thank You

Alisha Jajodia 6 years, 4 months ago

Plzzz help..

0Thank You

ANSWER

How to prepare organic chemistry in 10 days

Posted by Riya Moond 6 years, 4 months ago

CBSE > Class 12 > Chemistry

7 answers

Rinku Chaudhary 6 years, 4 months ago

Learn all naming rxn only

1Thank You

Karn Grewal 6 years, 4 months ago

Pagalo ki tarah parhiii jaoo

1Thank You

Saurya Aayush 6 years, 4 months ago

Contact karo

1Thank You

Juhi Parveen 6 years, 4 months ago

Naming rxn all

1Thank You

Juhi Parveen 6 years, 4 months ago

Laern all 8 mechanism which is 3marks

1Thank You

Juhi Parveen 6 years, 4 months ago

Not in 10 days but in 20- 25 days

1Thank You

Kunal M 6 years, 4 months ago

Dont do study

1Thank You

ANSWER

How can i get full marks in chemistry

Posted by Palak Sharma 6 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Pushkar Gupta 6 years, 4 months ago

Hii vanshita Sehrawat

0Thank You

Kunal M 6 years, 4 months ago

Dont study

0Thank You

Vanshita Sehrawat 6 years, 4 months ago

To prepare ncert or previous year question

3Thank You

ANSWER

Can you store copper sulffer solution in zinc poot

Posted by Rinku Chaudhary 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Sajid Ali 6 years, 4 months ago

I don't know.

1Thank You

ANSWER

Stucture of 4- tert.Butyl-3iodohexane

Posted by Preeti Sajwan 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Aman Kumar 6 years, 4 months ago

Not possible here the proper structure

0Thank You

ANSWER

What is synergic bond

Posted by Ganesan Lakshman 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Deeya Singh 6 years, 4 months ago

Synergic bond is a bond between a Carbonyl group acting as a ligand and a metal. Synergic bonding means self-strengthening bond.

1Thank You

ANSWER

In which manner cbse make paper

Posted by Shashank Jha 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Ayush Tiwari 6 years, 4 months ago

NCERT book based

2Thank You

ANSWER

Kuch jo chote topic hote h jase Ellingham diagram ye Sb syllabus m h Ya Nahi ye kase Patta chale GA??

Posted by Aman Mittal 6 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Aman Mittal 6 years, 4 months ago

Usme proper nhiiii diya h Ke particular Konsa topic krna h

0Thank You

Ayush Tiwari 6 years, 4 months ago

Cbse blue print dekho

1Thank You

Mahira Sharma 6 years, 4 months ago

Any thing written on NCERT book is important

3Thank You

ANSWER

The best reagent for converting 2- phenylpropanamide into 2-phenylpropanamine is_______?

Posted by Šąhîł Phogat 6 years, 4 months ago

CBSE > Class 12 > Chemistry

36 answers

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

1Thank You

Aman Kumar 6 years, 4 months ago

Yar, darsh I saw ur recent pic..its really ???..

2Thank You

Aman Kumar 6 years, 4 months ago

Sure☺️?

2Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

bye. see u soon. ?

2Thank You

Aman Kumar 6 years, 4 months ago

Chal bye...TTYL..?Gd n8

2Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

mujhe nhi chahhiye mauka. ?? aur aesa mauka toh bilkul nhi.

2Thank You

Aman Kumar 6 years, 4 months ago

Don't worry...mere rehte etni jaldi tujhe aesi confusion toh nhi hogi ?

1Thank You

Aman Kumar 6 years, 4 months ago

Achi baat hogi phir toh....tumhe bhi uss naam different log se baat karne ka mauka milega????

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

mai na bolti abb kisi se bhi kuch. ?? bus mere mind mein rehti hai memory. ? ?

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

pta Chale kebhi mujhe he confusion ho gyi toh. problem ho jayegi na. ??

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

??? jaan na pehchaan kuch bhi nhi vo dikha toh mai puchongi kya lekar ghoom raha hai vo ye naam. mujhe uske name se problem hai bus.

3Thank You

Aman Kumar 6 years, 4 months ago

Auuooo...bechari darshu ko 2:07 wale ki yaad aa rhi hai...koi nhi...bhagwan ne chaha toh tumhe wo mil jayega???

3Thank You

Aman Kumar 6 years, 4 months ago

Mai toh telecast nhi karunga...bus tu apna promise yaad rakhiyo...?..telecast nahi karne ka?

2Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

mai khtm he kab hui thi. ? ? ? but dikha nhi vo ??

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

apke liye mai - ve kyu rekhungi. ? Maine venom Dekhi thi.. so title dekh kar name rhyme kiya bus. tumhra but soon ur name will get change. don't worry. ? ?

3Thank You

Aman Kumar 6 years, 4 months ago

?????? tu phir shuru ho gyi??

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

bhulte toh hum kuch nhi.? ? bus telecast nhi karna sub kuch. u know.

3Thank You

Aman Kumar 6 years, 4 months ago

Kya mai ye puch sakta hu apse ki ...ki apne jo mera naam karan kiya hai??....woh positive sense mai hai ya negative ?

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∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

rehne do. ?? you know mai kya bolungi. (2:07 am) accha time hota hai. kisi Ki ke liye. ??

3Thank You

Aman Kumar 6 years, 4 months ago

Kya?????

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

vese objection nhi na ismein.. agar hai toh bolna mat just accept this. ???

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

? ? kuch aur bhi hai bolo kya. ???

3Thank You

Aman Kumar 6 years, 4 months ago

Aur ye "long" mai etne "nnnn" kyu...??.....bhul gye hai kya log..ki meri unse kab baat hue thi??

3Thank You

Aman Kumar 6 years, 4 months ago

Ye acha hai...mujhe venom ka naam de diya gya???

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

and ya venom.. I mean aman. ?? after a lonnnnnnnng time. ????? kese ho

4Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

oye oye... bahut Dino baad. hello yaara. ???

4Thank You

꧁≪Mämƭå ℭℏ۝ᑌĎℎàℜÿ? 6 years, 4 months ago

I can't believe myself my praying to god is successful...my bestie darshu is back..???

3Thank You

꧁≪Mämƭå ℭℏ۝ᑌĎℎàℜÿ? 6 years, 4 months ago

Hoii

3Thank You

Vanshita Sehrawat 6 years, 4 months ago

Br2+NaOH

2Thank You

Šąhîł Phogat 6 years, 4 months ago

koi baat nhi bhai.

3Thank You

Aman Kumar 6 years, 4 months ago

Wo galti se waisa emoji send ho gya....sorry

3Thank You

Šąhîł Phogat 6 years, 4 months ago

bhai tumhe kya hua.? ?

4Thank You

Aman Kumar 6 years, 4 months ago

Thanks

3Thank You

Aman Kumar 6 years, 4 months ago

3Thank You

Šąhîł Phogat 6 years, 4 months ago

shukriya ?

3Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

it's LiAlH4 in ether hope it help ✌️

6Thank You

ANSWER

how will you distinguish between (CH3)2 NH and (CH3) 3N?

Posted by Šąhîł Phogat 6 years, 4 months ago

CBSE > Class 12 > Chemistry

17 answers

Aman Kumar 6 years, 4 months ago

1Thank You

Priya Dharshini ? 6 years, 4 months ago

2Thank You

Aman Kumar 6 years, 4 months ago

Abb jab meri dono dosto ne "Hi" bol hi diya h toh, mai kyu akele rahu...mai bhi "Hi" bol deta hu...Hiii??

2Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

Hii priya. After a long time. ??

3Thank You

Priya Dharshini ? 6 years, 4 months ago

Hi.. darshanaa.. u r back..

4Thank You

Šąhîł Phogat 6 years, 4 months ago

thanks ?

1Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

The rxn name is Liebermann nitrosoamine rxn. required explanation is ?? (CH3)2NH on treatment with HNO2 gives yellow coloured N-nitrosodimethylamine. N-nitrosodimethylamine on warming with crystal of phenol and conc. H2SO4 gives green solution which when made alkaline with aq. NaoH turns deep blue and then red on dilution. (CH3) 3N on the other hand being 3°amine does not give this test.

5Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

appreciating u priya. ? nice answer.

3Thank You

Šąhîł Phogat 6 years, 4 months ago

ohk thanks ?

2Thank You

Priya Dharshini ? 6 years, 4 months ago

I think carbylamine test.. only primary amines can give that

2Thank You

Šąhîł Phogat 6 years, 4 months ago

ohk but what is the name of rxn. I am asking this. it's one word question. I have to answer it in one word only

2Thank You

Priya Dharshini ? 6 years, 4 months ago

Not from brainly.. from xamidea book.. it is give same

2Thank You

Priya Dharshini ? 6 years, 4 months ago

Simply write..it forms presipitate and insoluble.. where this is not..

2Thank You

Šąhîł Phogat 6 years, 4 months ago

BTW u answered from Brainly.com. don't mind just asking.

2Thank You

Šąhîł Phogat 6 years, 4 months ago

BTW thanks

2Thank You

Šąhîł Phogat 6 years, 4 months ago

it's one word name the rxn sis.

2Thank You

Priya Dharshini ? 6 years, 4 months ago

(CH3)2NH reacts with nitrous acid to form an oily layer of N-nitrosamines, which are insoluble in aqueous mineral acids. Whereas (CH3)3N reacts with nitrous acid to form soluble nitrite salts with no ppt.

4Thank You

ANSWER

Amino acids show amphoteric behaviour. Why

Posted by Sejal Uniyal 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Sanjeet Kumar Pal 6 years, 4 months ago

They form Zwitter ion. Due to presence of both acidic and basic group i.e. -COOH and -NH2 group.

2Thank You

ANSWER

Can somebody please send the important qs of first 3ch of organic chemistry??pl

Posted by Aakansha Singh 6 years, 4 months ago

CBSE > Class 12 > Chemistry

8 answers

Sanjeet Kumar Pal 6 years, 4 months ago

NCERT intext solved and unsolved. NCERT exercise. Name reactions. Distinguish tests.

0Thank You

Šąhîł Phogat 6 years, 4 months ago

I don't think so, we are appearing for boards and each and every question and line of ncert is important it's obvious thing.

1Thank You

Priya Dharshini ? 6 years, 4 months ago

This isnt silly questions.. she might have asked this question to check wheather she skipped any.. or to know some thing important things which she need to learn . And there is nothing like dropout students can give answers to such questions.. everyone can answer these questions..

2Thank You

Šąhîł Phogat 6 years, 4 months ago

yup it's a silly question don't know why they are posting such type of question as all are student here.. but I think there are many dropout student who use to give them advice regarding to questions.

2Thank You

Former Student 6 years, 4 months ago

You naughty asking so silly questions

1Thank You

Priya Dharshini ? 6 years, 4 months ago

Once read ncer book thoroughly.. once i recommend u to see.. 10 trick of vedantu of conversions it would be useful

1Thank You

Priya Dharshini ? 6 years, 4 months ago

All intext questions and ncert questions are important.. keep name reacrions on ur finger tips and do all preparations from various form..

1Thank You

Šąhîł Phogat 6 years, 4 months ago

sub important hai. ncert se kariyo

1Thank You

ANSWER

Write the product when D-glucose reacts with conc. HNO3

Posted by Sejal Uniyal 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Aakansha Singh 6 years, 4 months ago

Saccharic acid,becoz HNO3 is an oxidizing agent

4Thank You

ANSWER

Total numerical in cbse exm 2020

Posted by Vishavpreet Singh 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Nh2oh is aldehyde or not

Posted by Kishan Goyal 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Kunal M 6 years, 4 months ago

Hyroxylamine

1Thank You

Sanjeet Kumar Pal 6 years, 4 months ago

No dear.

1Thank You

ANSWER

Normality Ke numerical syllabus m h Kya?

Posted by Aman Mittal 6 years, 4 months ago

CBSE > Class 12 > Chemistry

6 answers

Sanjeet Kumar Pal 6 years, 4 months ago

1Thank You

Šąhîł Phogat 6 years, 4 months ago

pleasure. ?

1Thank You

Aman Mittal 6 years, 4 months ago

Thank you

2Thank You

Šąhîł Phogat 6 years, 4 months ago

Haan pakka

1Thank You

Aman Mittal 6 years, 4 months ago

Pakka na

2Thank You

Šąhîł Phogat 6 years, 4 months ago

practical mein aa jayega but syllabus mein nhi hai

2Thank You

ANSWER

Organic compound containing nitrogen chapter is available

Posted by Abhiraj Anand 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Kunal M 6 years, 4 months ago

0Thank You

ANSWER

Is Chapter amines is in our syllabus 2019-2020

Posted by Abhiraj Anand 6 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Sejal Uniyal 6 years, 4 months ago

Yes

2Thank You

Aditya Verma 6 years, 4 months ago

Yes

2Thank You

Manav Dua 6 years, 4 months ago

Yes

2Thank You

ANSWER

why is dil. H2SO4 added to Mohr's salt while preparing it's solution?

Posted by Šąhîł Phogat 6 years, 4 months ago

CBSE > Class 12 > Chemistry

18 answers

Sanjeet Kumar Pal 6 years, 4 months ago

Because the rxn between KMnO4 and Mohr's Salt take place in acidic solution.

1Thank You

Šąhîł Phogat 6 years, 4 months ago

hmm

1Thank You

Aman Kumar 6 years, 4 months ago

Abb explaination ko alag dikhne ke liye badal toh nhi sakte....?

3Thank You

Šąhîł Phogat 6 years, 4 months ago

ohk

1Thank You

Šąhîł Phogat 6 years, 4 months ago

fark kya hai same diya hai aap dono ne. ?

1Thank You

Aman Kumar 6 years, 4 months ago

ye mat bolna ki koi help nhi karta hai... questions put karke toh dekho..kya pata koi help kar de...

3Thank You

Aman Kumar 6 years, 4 months ago

Ferrous ions of Mohr's salt undergo hydrolysis in aqueous solution. To prevent the hydrolysis, dil.H2SO4 added to prevent the oxidation of Fe2+ ions of Mohr's salt to Fe3+ ions............... However, u got the better answer below...?

3Thank You

Šąhîł Phogat 6 years, 4 months ago

mujhe pitna nhi hai uske haatho. ??? . vese try karunga. ??.

1Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

apne dost ko bolna ghussa control karna Sikh le kahin se. Verna usse behtar insaan shayeed he koi hai.

3Thank You

Šąhîł Phogat 6 years, 4 months ago

Haan ho gyi friendship ladka accha bahut hai. ??... but log smjhne mein galti kar dete hai usay. bus ghusse se badnaam hai bechara. ??

1Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

aesa kya. ? ? ? smjh gyi mai. tum dono mein friendship bhi ho gyi. ? ? ?

3Thank You

Šąhîł Phogat 6 years, 4 months ago

I think Pura batana hoga mujhe. ?? aap Rohan Rajput ki frnd ho r8. usnay apse few days back bio ke practicals mange honge what's app par.. apne usay send kare aur usney mujhe vahi practicals forward kiye. ???.. Long story type karva di apne.. so indirectly apne help kari iseliye mai direct thanks bol raha hoon.

1Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

sry but Maine kab diya apko biology Practicals.

2Thank You

Šąhîł Phogat 6 years, 4 months ago

BTW thanks for the biology practicals. You have a gud hand writing. ?

0Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

???...... . always welcome. ?? just for few hours. ?

2Thank You

Šąhîł Phogat 6 years, 4 months ago

After a long long long long long............. Time darshu. ? nice to meet you here.

1Thank You

Šąhîł Phogat 6 years, 4 months ago

thanks a lot yaar

1Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 4 months ago

when Mohr's salt is dissolved in water it get hydrolysed and some Fe2+ions get oxidised to Fe3 +. to prevent the oxidation of Fe 2 + ions dil. H2SO4 is added.

3Thank You

ANSWER

What is glacial acetic acid? Why it so named

Posted by Gurleen Kaur Sandhu 6 years, 4 months ago

CBSE > Class 12 > Chemistry