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Why in [Ni (Nh3)6]+2 pairingof electron doesnot takes place while drawing its structure using VBT??

Posted by Abhi Aahi 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Ruby Bajwa 8 years ago

BTW NH3 is a strong ligand.

Ruby Bajwa 8 years ago

It is impossible that one of the inner d orbital and one of the outer d orbital are used as hybrid orbitals. As in +2 state of Ni only one d orbital is vacant after pairing thus it isn't possible to have dsp3d hybridization, thus no pairing occurs and we get complex with hybrid orbitals in outer d orbital thus sp3d2 hybridization is attained.

Go Pi 8 years ago

NH3 Is a weak ligand. so pairing OF ELECTRONS doesnt take place

ANSWER

hii guys??

Posted by Shobhitha Shetty 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Muskan Saini 8 years ago

Hii

Abhi Aahi 8 years ago

Hlo

ANSWER

Iupac name also

Posted by Muskan Saini 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Why does copper obtained in the extraction from copper pyrites have a blistered appearances

Posted by Neha Tomar 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sneha D 8 years ago

Due to the evolution of sulphur dioxide

ANSWER

Conversion s kis ch. M s aa skti h..

Posted by Rochie Kudi 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Muskan Saini 8 years ago

Aldehyde or alcohol wale se

ANSWER

Numericals kaise solve karta h

Posted by Muskan Saini 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Muskan Saini 8 years ago

Aate hi nhi calci kya karga

Shobhitha Shetty 8 years ago

calculator ko use karke

ANSWER

What is isotonic solutions?

Posted by Mohit Tyagi 8 years ago

CBSE > Class 12 > Chemistry

7 answers

Aryan Shukla 8 years ago

Same osmotic pressure

Abhinay Ab 8 years ago

Solutions which HV same osmotic pressure at const temperature.

Lavish Tyagi 8 years ago

jisme same osmotic pressure arr same molar conc ho

Shobhitha Shetty 8 years ago

2 solutions having the same osmotic preassure at a given temperature

Rochie Kudi 8 years ago

Shayad jsme conc. Same ho

Nav Virk 8 years ago

When concentration of solute is same inside and outside

Lavish Tyagi 8 years ago

aye mohit bhai

ANSWER

What is Brownian movement? ?

Posted by Pooja Meena 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Ruby Bajwa 8 years ago

Brownian movement don't let colloidal particles to settle down as they are bombarded without any balance.

Mr King 8 years ago

Hindi me samjhu ya English me

Rochie Kudi 8 years ago

Zg zag movement of colloidal particles.

J Ranjan Parida 8 years ago

The zig zag movement of the particle in the colloidal solution is known as Brownian movement

ANSWER

Yr y p blk k hydrides pxides acids ni ho re ... K kru... Plz koi btao

Posted by Rochie Kudi 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Rochie Kudi 8 years ago

Ok aayu.

Rochie Kudi 8 years ago

#if u know the ansr thn tell or ha mere frndz ko smj aa jati h.

Ayushi Tyagi 8 years ago

Pta ni yrr.... M rat ko btati hu

Mr King 8 years ago

Write ur question carefully

ANSWER

<font size=45 font color=green>abhinay chu..ya?????????????????????????????????✊??

Posted by Swaggy Harshit 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Swaggy Harshit 8 years ago

<font size=45 font color=blue> tujh jaiso ko gaali se hi bula na chaiye?????

Abhinay Ab 8 years ago

Chota baccha batao se kuch na kr ska to gaali de RHA hai.POOR KID!!!

Swaggy Harshit 8 years ago

<font size=55> fck off Moron????

Abhinay Ab 8 years ago

Teri to JAL gayi re............

ANSWER

Define Roasting

Posted by Lalit Maan 8 years ago

CBSE > Class 12 > Chemistry

8 answers

Abhinay Ab 8 years ago

In roasting the ore Is heated in regular supply of air below its melting point to convert ore into oxide.

Ayushi Tyagi 8 years ago

Hn rochie ka ans thik h

Rochie Kudi 8 years ago

It is the process of heating of ore below its melting pt. In excess of air.

Abhinay Ab 8 years ago

Abe pagal ye thodi na hota hai roasting ka MATLAB.

Rochie Kudi 8 years ago

Vse y vo roasting nhi h

Lalit Maan 8 years ago

Thanks bro ?

Mr King 8 years ago

Roasting is a cooking method that uses dry heat where hot air envelops the food, cooking it evenly on all sides with temperatures of at least 150 °C (~300 °F) from an open flame, oven, or other heat source. Roasting can enhance flavor through caramelization and Maillard browning on the surface of the food. Roasting uses indirect, diffused heat (as in an oven), and is suitable for slower cooking of meat in a larger, whole piece.[1] Meats and most root and bulb vegetables can be roasted. Any piece of meat, especially red meat, that has been cooked in this fashion is called a roast. Meats and vegetables prepared in this way are described as "roasted", e.g., roasted chicken or roasted squash.

Mr King 8 years ago

Wait

ANSWER

(32) Kabir is fond of eating too much of chowmein loaded with cabbage leaves At the age of fifteen his teeth got rotten and he started complaining of severe headache. His mother took him to a doctor who after examining found that Kabir is suffering from neurocysticercosis, a mental disease caused by larvae of tape warm After reading the above paragraph, answer the questions (i)Name the chemical substance responsible for damaging Kabir's teeth. ( ii ) Is there any link between eating of too much of chowmein and his head ache ( iii )Mention the values conveyed by above paragraph

Posted by Mr King 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Mr King 8 years ago

Hyy

Mr King 8 years ago

Send my answer

ANSWER

Faraday constant value

Posted by J Ranjan Parida 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Rochie Kudi 8 years ago

J tu bhilai chattisgarh s h na.. Vha p kya sb hindi bolte h?

Pooja Bora 8 years ago

96500

Ayushi Tyagi 8 years ago

Bt 96500 use krte h calculations easy krne k liye

Nav Virk 8 years ago

96485.33 C per mol

ANSWER

Fe3O4 is ferrimagnetic at room temperature and becomes paramagnetic at 850K. Explain

Posted by Nav Virk 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Ruby Bajwa 8 years ago

As ferrimagnetic substance loose their magnetic property on heating at Curie temp.also there is realignment of magnetic moments at this temp.

ANSWER

(31) Arpita wanted to buy vanilla ice cream from a local ice cream vendor. Her & B to ethanol? friend Amita told her that these vendor use synthetic chemical compound vanillin whose flavor is similar to that of vanilla. They decided not to buy such ice creams??? (i) Write the Chemical formula and IUPAC name of vanillin (i) Write values that are associated with above decision

Posted by Mr King 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Ayushi Tyagi 8 years ago

I think that iupac names from last chapter r not there in syllabus

Yaduvanshi Yaduvanshi 8 years ago

Here nobody can give ans only time waste is there

Mr King 8 years ago

Plzzz solve this question

ANSWER

(30) An owner of a paint company who was using ethanol as solvent noted that his stock of ethand was misused by his employee To prevent this misuse, he decided to add small amount of a bule colour compound (A) and another nitrogen containing heterocyclic base (B) which gives a foul smell to alcohol Do you think that he took right decision? (a) (b) Write the names of compound A& B? Name process of adding compound A (c) Mention the values associated with above decision

Posted by Mr King 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Ayushi Tyagi 8 years ago

Maybe pyridine

Mr King 8 years ago

And B is

Ayushi Tyagi 8 years ago

A is CuSO4

Mr King 8 years ago

Plzzzzz Solve my question

ANSWER

What is the constituents if fertilisation?

Posted by Piyush Mishra Mishra 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Ruby Bajwa 8 years ago

Va plate si much aali h chorre

Pooja Bora 8 years ago

???

Prince Jaat 8 years ago

वा न्यू बोली:-तु मन्नै भाव क्यूँ नी देता . मखा # प्लेट ही मुँह आली…बात सुण #बालका तै चाय और #छोरीयाँ तै भाव कम ऐ देणा ठिक रहया करे…. #i_Hate_GF

Ayushi Tyagi 8 years ago

Ye konse ch me h

ANSWER

What is mean by 143

Posted by Prince Jaat 8 years ago

CBSE > Class 12 > Chemistry

10 answers

Ruby Bajwa 8 years ago

Va plate si much aali h chorre

Prince Jaat 8 years ago

वा न्यू बोली:-तु मन्नै भाव क्यूँ नी देता . मखा # प्लेट ही मुँह आली…बात सुण #बालका तै चाय और #छोरीयाँ तै भाव कम ऐ देणा ठिक रहया करे…. #i_Hate_GF

Abhinay Ab 8 years ago

Aye haye !! Gajab !!

Prince Jaat 8 years ago

Chora JAAT ka FUFA 60 ka

Abhinay Ab 8 years ago

Tu bi haryana ka deekhe

Prince Jaat 8 years ago

Abhinay ab

Prince Jaat 8 years ago

Ladle mane te koye fail na ker ske

Abhinay Ab 8 years ago

Matlab fail!

Abhinay Ab 8 years ago

Tere total marks board ke.

Lavish Tyagi 8 years ago

i hATE YOU

ANSWER

Any of u on insta.??

Posted by Abhinay Ab 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Yaduvanshi Yaduvanshi 8 years ago

I am not mad like you

Abhinay Ab 8 years ago

Tu answer me qsn likhiyo or ma comedy.Maja ayega.

Abhinay Ab 8 years ago

Thik hai bhai

Yaduvanshi Yaduvanshi 8 years ago

Paper me comedy likhna

ANSWER

NH3 + NaOCl === ???

Posted by Tapish Kumar Ojha 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

why ClF act as lewis base???

Posted by Tehrim Rockstar 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Rochie Kudi 8 years ago

Bcoz

Go Pi 8 years ago

It must have a readily donatable paid of electrons.

ANSWER

WHO invent chemistry

Posted by Adarsh B 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Abhinay Ab 8 years ago

Shi kha Ayushi

Lavish Tyagi 8 years ago

antone leavisor sayad

Abhinay Ab 8 years ago

Adarsh B ne WO bhi aise qsn. Pucch kr

Ayushi Tyagi 8 years ago

????inhone ki thi. ??????????????

ANSWER

Ethyl benzene to benzene

Posted by Yaduvanshi Yaduvanshi 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Aryan Shukla 8 years ago

Add hot Kmno4 oxidise it to acid Then use sodalime

Abhinay Ab 8 years ago

Bas

Abhinay Ab 8 years ago

Benzene ke aage ethyl laga de bad.

ANSWER

Convert acetaldehyde to butane 1,3 diol

Posted by Yaduvanshi Yaduvanshi 8 years ago

CBSE > Class 12 > Chemistry

7 answers

Go Pi 8 years ago

Dude even i was messing up. After your first step(aldol) you need to do reduction using NaBH4 You'll get it

Aryan Shukla 8 years ago

Can u plz tell the ryt 1 becoz i was taking lot of steps which r 1 aldol 2 reduction of aldehyde to alcohol 3 heat and acid for E1 rxn 4 apply two times kucherov or OMDM

Abhinay Ab 8 years ago

Pasand nhi aai kya re chore?

Abhinay Ab 8 years ago

Bhai comedy to apne khooon me hai.

Yaduvanshi Yaduvanshi 8 years ago

Aata nahi hai to faltu ma commeny kyu karto hai

Abhinay Ab 8 years ago

Spelling change kr de bas.

Abhinay Ab 8 years ago

Aaram se ho jayega.

ANSWER

Mere pe organic nhi ho rahi hai to sirf name rexn rat lu kya?

Posted by Abhinay Ab 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Physics Lover Girl 8 years ago

Nomenclature v easy hai hojega yrr vo bhi krle and distinction tests aur name rxns

Ayushi Tyagi 8 years ago

Distinction bhi kr le

Physics Lover Girl 8 years ago

Yaaa

ANSWER

Is prepration in p-block are important

Posted by Nave Kumar 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Ayushi Tyagi 8 years ago

Yes

Aisha Grewal 8 years ago

Ofc

ANSWER

All the bst fr ur paper gyys.

Posted by Rochie Kudi 8 years ago

CBSE > Class 12 > Chemistry

8 answers

Prince Jaat 8 years ago

Byy rouchie jii

Aisha Grewal 8 years ago

I'm also...

Rochie Kudi 8 years ago

I m being ignored here .. Yt mere sare frnds kha ho tum.

Aisha Grewal 8 years ago

Mtlb

Rochie Kudi 8 years ago

Dekha phr vhi....###

Aisha Grewal 8 years ago

Thank rochie... Wlcm back

Rochie Kudi 8 years ago

Mere pyare doston

Rochie Kudi 8 years ago

C u soon. Byy

ANSWER

What is lanthanoid contradiction

Posted by Soni G 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Mr King 8 years ago

The lanthanide contraction is the greater-than-expected decrease in ionic radii of the elements in the . series from atomic number 57, lanthanum, to 71, lutetium, which results in smaller than otherwise expected ionic radii for the subsequent elements starting with 72, hafnium.

Mr King 8 years ago

Wait m solving ur answr

ANSWER

ethylamine is soluble in water where as aniline is not suitable in water?

Posted by Riya Roy 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Mr King 8 years ago

Ethylamine when added to water forms intermolecular H−bonds with water. And therefore it is soluble in water. But aniline does not form H−bond with water to a very large extent due to the presence of a large hydrophobic −C6H5 group. Hence, aniline is insoluble in water

Aisha Grewal 8 years ago

It's the rsn.....

Aisha Grewal 8 years ago

Coz it forms h bonds.. Whereas aniline due to large hydrocarbon part the formation of h bonding decrease....

Mr King 8 years ago

Wait m sending ur answr

ANSWER

Some students entre the chemistry lab for doing practical. Some students are not serious about learning and want to create trouble. They remove the labels from two bottles containing methanol and dimethyl ether, Mohan approaches the teacher and informs about the incident,,,,,. Then (i). Mention the value show try Mohan (ii). If the teacher ask the some students to perform chemical test to identify methanol and dimethyl ether, write the reaction involved for the test.

Posted by Mr King 8 years ago

CBSE > Class 12 > Chemistry

10 answers

Mr King 8 years ago

No one can solve my question

Mr King 8 years ago

Which answer is given I or ii

Ruby Bajwa 8 years ago

Rxn of methanol with Na...... 2CH3OH + 2Na= 2CH3ONa + H2

Mr King 8 years ago

So plzzz solve this,,,.

Mr King 8 years ago

There are two questions in this question

J Ranjan Parida 8 years ago

Sry yrr l am not getting the ans but will try

Ruby Bajwa 8 years ago

Values attentive ,aware.. chemical test reaction with sodium..when methanol reacts with Na it liberates hydrogen while ether doesn't react.

Mr King 8 years ago

Okk

J Ranjan Parida 8 years ago

Wait I will tell uthe ans

J Ranjan Parida 8 years ago

This is value base ques

ANSWER

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