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

So2 is in +4 state. It has tendency to get oxidised to +6 state as it is more stable in +6 so it is reducing agent. In TeO2 stability of +6 state decrease due to inert pair effect so it is oxiding agent.

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chemical formula of ethyl cyanide???

Posted by Ritu Gupta 8 years ago

CBSE > Class 12 > Chemistry

8 answers

Ritu Gupta 8 years ago

Guyz it is CH3CH2CN. I have searched it on google

0Thank You

Ruby Bajwa 8 years ago

CH3CH2CN.......If it was nitrile then it would have 1 less carbon

0Thank You

Ritu Gupta 8 years ago

Thnq

0Thank You

Hunny Bunny 8 years ago

I think the latter is correct.

1Thank You

Aastha Tripathi 8 years ago

Ch3CN

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Parru Kaur Brar 8 years ago

.....

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Ritu Gupta 8 years ago

Pls koi btaao

1Thank You

Ritu Gupta 8 years ago

it will be CH3CH2CN or CH3CN ??????

2Thank You

ANSWER

Y tertiary alcohol don't do oxidation

Posted by Arshit Rathore 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

What is role CO2 in The extractive metallurgy of aluminium from it ore

Posted by Vijay Meena 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Aastha Tripathi 8 years ago

Decreases its MP and makes it conducting

1Thank You

ANSWER

Chen me bhi step marking hoti h numericals ki??

Posted by Tehrim Rockstar 8 years ago

CBSE > Class 12 > Chemistry

1 answers

J Ranjan Parida 8 years ago

Yes

2Thank You

ANSWER

What is the importance of Ellingham diagram?

Posted by Sai Yugesh Bhasuru 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Sir my physics exam was Very bad. I am going to fail. So next year i want to give examnation again with changing my subject stream from science to arts. Can it be possible or Not....??? Plz sir give me answer. I am totally depressed after my physics exam.

Posted by Kunal Kumar 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Parru Kaur Brar 8 years ago

be +ve dear

0Thank You

J Ranjan Parida 8 years ago

Bhai bhuto ka bigda h kuch nhi hoga

0Thank You

Arshit Rathore 8 years ago

Bhai Dar mat pass kar denge

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ANSWER

Hydrogen fluoride is weaker acid than hydrogen chloride in aqueous solution. Give reason.

Posted by Shivani Singh 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Tehrim Rockstar 8 years ago

Due to h bond in hf h+ is not released easily

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ANSWER

Molarity m x Kya hoya h

Posted by Anuj Chaudhary 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Aastha Tripathi 8 years ago

No of moles of solute per litre of solution

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ANSWER

What is the rage of lyophillic colloids (>1nm). (<1nm)

Posted by Ajay Kewat 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Aastha Tripathi 8 years ago

1m-1nm

1Thank You

ANSWER

Define repeating unit

Posted by Sheikh Rahil 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Debayan Pandit 8 years ago

Sate it

0Thank You

Tehrim Rockstar 8 years ago

Polymer

0Thank You

Debayan Pandit 8 years ago

I think it from solid state

1Thank You

J Ranjan Parida 8 years ago

From which chapter it is...

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Write the structures of soaps obtained by the hydrolysis of following fats: 0 C1sH31 COO) CHs - Glyceryl palmitate (i) Ci7Ha3 COO) CHs -Glyceryl oleate. Hint: isH3,COO Na* (i) C,H3COO Na]

Posted by Mr King 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Conversion - anilene to 3,5-bromo 4-iodo nitrobenzene

Posted by Aastha Tripathi 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Ruby Bajwa 8 years ago

1)iodization of aniline by HI............2)oxidation of the product by K2Cr2O7..........3)bromination (excess) by HBr

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ANSWER

In organic which problem sums are important pls tell I will do that only??

Posted by Urvi Patel 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Acrolein

Posted by Anil Jha 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Shefali Mourya 8 years ago

Simplest unsaturated aldehyde with formula ch2=chcho

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ANSWER

In the process of wine making, ripened grapes are crushed so that sugar and enzyme should come in contact with each other and fermentation should start . What will happen if anaerobic conditions are not maintained during this process?

Posted by Jagdeep Singh 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Swati Gupta 8 years ago

Alcohol will convert into acid

3Thank You

ANSWER

Methylamine in water reacts with ferric chloride to precipitate hydrated ferric oxide.explain

Posted by Urvi Patel 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Ruby Bajwa 8 years ago

Bcoz methylamine reacts with water and form a salt and release OH- ions which react with Fe3+ ions of FeCl3 to form Fe(OH)3 as precipitate.

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ANSWER

The standard reduction potentials of Co2+ and Co3+ are –0.28V and 1.8 V respectively. Which should be a better oxidising agent in water Co2+ or Co3+? And why?

Posted by Mr King 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Sai Yugesh Bhasuru 8 years ago

Co3+ is good oxidizing agent as high reduction potential

2Thank You

Mr King 8 years ago

Why???

0Thank You

Swati Gupta 8 years ago

Co2+ since it has high reduction potential

3Thank You

ANSWER

What is vapour pressure???

Posted by Pahul Jeet Kaur 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Urvi Patel 8 years ago

The pressure exerted by the vapours above the liquid surface in equilibrium with the liquid at a given temperature is called vapour pressure

1Thank You

ANSWER

What is conduction band theory?

Posted by Vikitha M 8 years ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Shppose a question comes into exam to distinguish between two compounds by chemical test. If I write that it can be distinguished by iodoform test then it is necessary to show chemical equation also.

Posted by Ashish Singh 8 years ago

CBSE > Class 12 > Chemistry

1 answers

J Ranjan Parida 8 years ago

Yes chemical equation are must with that..

0Thank You

ANSWER

Molar mass of Na+ ?

Posted by Nishkarsh Gupta 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Swati Gupta 8 years ago

0Thank You

ANSWER

Convert ethylcyanide to ethanoic acid

Posted by Anee Anee 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Ritu Gupta 8 years ago

hydrolysis of ethylcyanide will give ethanoic acid

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ANSWER

Gabriel phthalimide synthesis is preferred for synthesising primary amines.

Posted by Urvi Patel 8 years ago

CBSE > Class 12 > Chemistry

1 answers

J Ranjan Parida 8 years ago

It's only prefer for primary amine ...

1Thank You

ANSWER

Ethylamine is soluble in water whereas aniline is not.explain

Posted by Urvi Patel 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Debayan Pandit 8 years ago

Because ethanamine make h bond with water

0Thank You

J Ranjan Parida 8 years ago

Etylamine is able to form hydrogen bonding hence its is soluble in water while aniline posses steric hinderance effect hence it is insoluble...

1Thank You

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