CBSE Class 12 Chemistry Question Paper 2015 with Answer Key (March 12, Set 3

CBSE Class 12 Chemistry Question Paper 2015 with Answer Key Set 3 - 56/3/A is available for download. The exam was conducted by the Central Board of Secondary Education on March 12, 2015 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was English & Hindi. In terms of difficulty level, CBSE Class 12 Chemistry paper was of Easy level. The question paper comprised a total of 26 questions.

CBSE Class 12 Chemistry Set 3 - 56/3/A Question Paper 2015 with Answer Key (March 12)

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CBSE CLASS XII Questions

1.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

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2.
Write mechanism of acid dehydration of ethanol to ethene.

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

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4.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

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5.
What are reducing sugars?

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6.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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CBSE Class 12 Chemistry Question Paper 2015 with Answer Key (March 12, Set 3 - 56/3/A)

CBSE Class 12 Chemistry Set 3 - 56/3/A Question Paper 2015 with Answer Key (March 12)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

2.
Write mechanism of acid dehydration of ethanol to ethene.

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

4.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

5.
What are reducing sugars?

6.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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CBSE Class 12 Chemistry Set 3 - 56/3/A Question Paper 2015 with Answer Key (March 12)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

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

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

4.Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether (b) p-Hydroxyphenethyl alcohol + HBr

5.What are reducing sugars?

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

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1.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

2.
Write mechanism of acid dehydration of ethanol to ethene.

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

4.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

5.
What are reducing sugars?

6.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?