CBSE Class 12 Chemistry Question Paper 2011

CBSE Class 12 Chemistry Question Paper 2011 details are given here. This page is about the CBSE Class 12 Chemistry question paper of the 2011 board examination.

CBSE Class 12 Chemistry Question Paper 2011 with Solution PDF

CBSE Class 12 Chemistry Question Paper 2011	Download PDF	Check Solutions

CBSE Class 12 Chemistry 2011 Question Paper Details

Exam	CBSE Class 12 Board Examination 2011
Subject	Chemistry
Paper	Question paper

CBSE CLASS XII Questions

1.
Why is o-nitrophenol more acidic than o-methoxyphenol?

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2.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

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3.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

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4.
On hydrolysis, which of the following carbohydrates gives only $\mathrm{\beta}$-glucose ?

Starch
Sucrose
Maltose
Cellulose

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5.
Write mechanism of acid dehydration of ethanol to ethene.

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6.
What happens when acidic solution of potassium permanganate is allowed to stand for sometime ? Give the equation involved. What is this type of reaction called ?

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CBSE Class 12 Chemistry Question Paper 2011

CBSE Class 12 Chemistry Question Paper 2011 with Solution PDF

CBSE Class 12 Chemistry 2011 Question Paper Details

CBSE CLASS XII Questions

1.
Why is o-nitrophenol more acidic than o-methoxyphenol?

2.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

3.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

4.
On hydrolysis, which of the following carbohydrates gives only $\mathrm{\beta}$-glucose ?

5.
Write mechanism of acid dehydration of ethanol to ethene.

6.
What happens when acidic solution of potassium permanganate is allowed to stand for sometime ? Give the equation involved. What is this type of reaction called ?

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CBSE Class 12 Chemistry Question Paper 2011 with Solution PDF

CBSE Class 12 Chemistry 2011 Question Paper Details

CBSE CLASS XII Questions

1.Why is o-nitrophenol more acidic than o-methoxyphenol?

2.Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

3.Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

4.On hydrolysis, which of the following carbohydrates gives only $\mathrm{\beta}$-glucose ?

5.Write mechanism of acid dehydration of ethanol to ethene.

6.What happens when acidic solution of potassium permanganate is allowed to stand for sometime ? Give the equation involved. What is this type of reaction called ?

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1.
Why is o-nitrophenol more acidic than o-methoxyphenol?

2.
Give structures of A, B and C: Aniline $\xrightarrow{Br_2/H_2O}$ A $\xrightarrow{NaNO_2+HCl, 0-5^\circ C}$ B $\xrightarrow{H_3PO_2+H_2O}$ C

3.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

4.
On hydrolysis, which of the following carbohydrates gives only $\mathrm{\beta}$-glucose ?

5.
Write mechanism of acid dehydration of ethanol to ethene.

6.
What happens when acidic solution of potassium permanganate is allowed to stand for sometime ? Give the equation involved. What is this type of reaction called ?