CBSE Class 12 History Question Paper 2013 with Answer Key (March 4, Code

CBSE Class 12 History Question Paper 2013 with Answer Key Code - 61/1/1 is available for download. The exam was conducted by the Central Board of Secondary Education on March 4, 2013 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was English & Hindi. The question paper comprised a total of 21 questions divided among 5 sections.

CBSE Class 12 History Code - 61/1/1 Question Paper 2013 with Answer Key (March 4)

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CBSE CLASS XII Questions

1.
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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2.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

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6.
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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CBSE Class 12 History Question Paper 2013 with Answer Key (March 4, Code - 61/1/1)

CBSE Class 12 History Code - 61/1/1 Question Paper 2013 with Answer Key (March 4)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
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 ?

2.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

3.
Why is o-nitrophenol more acidic than o-methoxyphenol?

4.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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

6.
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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CBSE Class 12 History Code - 61/1/1 Question Paper 2013 with Answer Key (March 4)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.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 ?

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

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

4.Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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

6.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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1.
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 ?

2.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

3.
Why is o-nitrophenol more acidic than o-methoxyphenol?

4.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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

6.
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