Incorrect URL accessed!!!!

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practical material

Posted by Amrit Pal 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

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Salt test practical

Posted by Sukriti Somya 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

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Kya gp 15 p-block se cut ho gya

Posted by Sunmeet Kaur Sachdeva 6 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Parul Singh 6 years, 4 months ago

Yes

Ritansh Vats 6 years, 4 months ago

Yes

Mp? Mp? 6 years, 4 months ago

Yes

ANSWER

What is canizaroo reaction?

Posted by Shakti Pal 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Neha Choudhary 6 years, 4 months ago

When 2 molecule of aldehyde dont having alpha hydrogen react in presence of conc.base like NaOh to give alchol and respective acid

ANSWER

How will you convert aniline into flurobenzene

Posted by Shivam Tiwari 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Yogita Ingle 6 years, 4 months ago

First, Aniline is made to react with NaNO₂ in presence of HCl to form 'Benzene diazonium chloride' which is further reacted with Fluoroboric acid(HBF₄) to form Fluorobenzene along with the liberation of toxic BF₃.

Harsh Prateek 6 years, 4 months ago

Add HBF4

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Inprovements student give the practical

Posted by Hemamt Singh 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

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How to score good marks in chemistry and from which books most of the paper are set and which books I have to follow

Posted by Heena Tuli 6 years, 4 months ago

CBSE > Class 12 > Chemistry

4 answers

Jayvardhan Singh Tanwar 6 years, 4 months ago

You should follow oswal books and NCERT

Ayush Ujjawal 6 years, 4 months ago

NCERT is the best

Gopal Mishra 6 years, 4 months ago

Only focus on NCERT book

Yuvraj Singh 6 years, 4 months ago

You Should concentrate on your NCERT book ,including exercise questions and intext questions. And also your notes which are most important if you have well organised and maintained them from starting. For the last few weeks Solve atleast 10 to 15 previous year question papers and also the latest sample papers.

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How to score good marks in chemistry

Posted by Aryan Singh 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

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NEET ki prep kon kon kr rha h and tips give to me to crack neet and board exam

Posted by Tannu Madaan 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Saqib Khan 6 years, 4 months ago

Tik tok

Prabhat Emmanuel 6 years, 4 months ago

Follow the Ncert books.Solve all intex or exercise questions of Ncert.Last but not the least Solve last ten years previous paper.I will recommend you to solve Arihant chapter wise sample paper . Thank you ✔️.

4Thank You

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Full form of LDP

Posted by Chirag Gupta 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Vaibhav Porwal 6 years, 4 months ago

Low density polythene

Mulla Gaus 6 years, 4 months ago

Low density polyethene

ANSWER

Electronic configuration of zn

Posted by Sakshi Sharma 6 years, 4 months ago

CBSE > Class 12 > Chemistry

4 answers

Pragati Gola 6 years, 4 months ago

[Ar]3d10 4s2

Shubham Sihag 6 years, 4 months ago

Sweta Kumari 6 years, 4 months ago

Zn atomic number 30

Sweta Kumari 6 years, 4 months ago

1s2 2s2 2p6 3s2 3p6 3d10 4s2

ANSWER

How can determine the coordination number of a metal atom

Posted by Gayatri Meena 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Abhiyank Rajouria 6 years, 4 months ago

Here are the steps for identifying the coordination number of a coordination compound. Identify the central atom in the chemical formula. Usually, this is a transition metal. Locate the atom, molecule, or ion nearest the central metal atom. To do this, find the molecule or ion directly beside the metal symbol in the chemical formula of the coordination compound. If the central atom is in the middle of the formula, there will be neighboring atoms/molecules/ions on both sides. Add the number of atoms of the nearest atom/molecule/ions. The central atom may only be bonded to one other element, but you still need to note the number of atoms of that element in the formula. If the central atom is in the middle of the formula, you'll need to add up the atoms in the entire molecule. Find the total number of nearest atoms. If the metal has two bonded atoms, add together both numbers. Hope it helps.

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Mark scheme

Posted by Vishal Kumar 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Abhiyank Rajouria 6 years, 4 months ago

Hi Vishal According to the latest Sample Paper Design, Electrochemistry carries 10 Marks, all short chapters like polymers, biomolecule, surface chemistry etc carries three marks and rest all are of 5-6 marks each. Hope it helps. ??

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Jab hum 250ml alcohol main 250 water milate hai to phir total amount 500 ki jahag 480 ml product milta hai aisa kyu

Posted by Nitish Mahto 6 years, 4 months ago

CBSE > Class 12 > Chemistry

4 answers

Bhawna Pal 6 years, 4 months ago

This is due to formation of hydrogen bonding b/w H2O and alcohol

Sunmeet Kaur Sachdeva 6 years, 4 months ago

Due to mass defect . As nucleons makes tight bonding with nucleus

Deeya Singh 6 years, 4 months ago

Due to hydrogen bonding between alcohol and water, the molecules are held together tightly and closely which enables them to take up less space.

Lekhika Madhurya 6 years, 4 months ago

Due to colligative property

ANSWER

Koi coordination compound e project banaya h

Posted by Naaz Khan 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Mujhe chemistry ke project file chahiye plzzz send me

Posted by Naaz Khan 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

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Name compound of transition metal that have light sensitive properties and act as valuable source in photographic industry

Posted by Shreya Agrahari 6 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Abhiyank Rajouria 6 years, 4 months ago

Ag Br

Deeya Singh 6 years, 4 months ago

Silver bromide

Neetu Sharma 6 years, 4 months ago

Silver

ANSWER

What is -i effect?

Posted by Tulika Verma 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Neha Choudhary 6 years, 4 months ago

Tendency of attracting bounding e towards its self It depends on distance For example CH3CH2CH2CH2F,CH3CH2CH2CH2Cl In dono me se 1 ka -i efect jada h becoz F is more electr -than Cl

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Metals ke Anu dravyaman

Posted by Amit Pandey 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

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What is neurologically active drugs

Posted by Sanaya Beig 6 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Sagar Gupta 6 years, 4 months ago

Tranquilizers and analgesics are neurologically active drugs Example : Equanil , Morphine

Neetu Sharma 6 years, 4 months ago

Tranquiliser

ANSWER

Chemistry syllabus 2019 to2020

Posted by Sanaya Beig 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Sagar Gupta 6 years, 4 months ago

Both part 1 &2 Solid state and classification of polymer Omitte hua hai

ANSWER

Calculate the freezing point of a solution containing 0.5g KCl (molar mass =74.5) dissolved in 100g water, assuming KCl to be 92% ionised. K^f of water=1.86 K kgmol^-1

Posted by Amol Gùpta 6 years, 4 months ago

CBSE > Class 12 > Chemistry

4 answers

Amol Gùpta 6 years, 4 months ago

Vaise ye question post kiye hue bhot tym ho gya h answer nii aaye toh Maine Google kr liya tha

Amol Gùpta 6 years, 4 months ago

Hmm I know

Amol Gùpta 6 years, 4 months ago

Sahi h answer bhai

Řøhăň Řąjpůť ✌️✊ 6 years, 4 months ago

answer is - 0.24°c

ANSWER

3c6h6 + ch3cl3 =

Posted by Ayush Rajput 6 years, 4 months ago

CBSE > Class 12 > Chemistry

4 answers

Bhawna Pal 6 years, 4 months ago

This question doesn't make any sense?

Annie D'Souza 6 years, 4 months ago

C doesn't make six bonds

Additri M 6 years, 4 months ago

c6h5cl

Additri M 6 years, 4 months ago

c6html+ch2

ANSWER

I didn't get the first part

Posted by Ritu Goswami 6 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Why do we use carbylamine test

Posted by Dinesh Pandey 6 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Additri M 6 years, 4 months ago

To distinguish between primary and secondary amine..

ANSWER

Please tell me the solution , Ihave completed organic by written revision but still i am not able to attept questions???

Posted by Raman Brar 6 years, 4 months ago

CBSE > Class 12 > Chemistry

3 answers

Annie D'Souza 6 years, 4 months ago

First prepare name reaction perfectly

Shubham Kumar 6 years, 4 months ago

Do practice

Chetna Bhatt 6 years, 4 months ago

Saari reactions ache se yaad hai aapko???

ANSWER

Why phenol is more acidic then methanol

Posted by Rajendra ?? 6 years, 4 months ago

CBSE > Class 12 > Chemistry

6 answers

Anmol Gupta 6 years, 4 months ago

Due to high stability of free electron in phenol than methanol

Ujjwal Kapil 6 years, 4 months ago

Because in phenol after removing its H+ ion from OH gets highly stablised due to resonance which is absent in methanol That's phenol is more eager to give its H+ ion , so more acidic. ?

Aman Kumar 6 years, 4 months ago

Rehne do...?☺️ Mera answer bhi toh tere answer se match karega...aakhir kaar student wahi likhega na jo teacher ne sikhya hoga??

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

kar do fir answer tum bhi. ??

Aman Kumar 6 years, 4 months ago

Mujhe maan tha..ye answer dene ka????..but..its nicely explained..