CBSE Class 12 Geography (Punjabi) Question Paper 2017 with Answer Key (April 6, Set 3

CBSE Class 12 Geography (Punjabi) Question Paper 2017 with Answer Key Set 3 - 227/3 is available for download. The exam was conducted by the Central Board of Secondary Education on April 6, 2017 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was Punjabi.In terms of difficulty level, CBSE Class 12 Geography (Punjabi) paper was of Moderate level. The question paper comprised a total of 22 questions.

CBSE Class 12 Geography (Punjabi) Set 3 - 227/3 Question Paper 2017 with Answer Key (April 6)

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CBSE Class 12 Previous Year Question Papers

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CBSE CLASS XII Questions

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

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

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3.
61 g benzoic acid (M = 122 g mol$^{-1}$) dissolved in 500 g benzene. Vapour pressure of pure benzene = 66 torr. Assume complete dimerisation. Calculate vapour pressure of solution.

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4.
What are reducing sugars?

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5.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

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6.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

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CBSE Class 12 Geography (Punjabi) Question Paper 2017 with Answer Key (April 6, Set 3 - 227/3)

CBSE Class 12 Geography (Punjabi) Set 3 - 227/3 Question Paper 2017 with Answer Key (April 6)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

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

3.
61 g benzoic acid (M = 122 g mol$^{-1}$) dissolved in 500 g benzene. Vapour pressure of pure benzene = 66 torr. Assume complete dimerisation. Calculate vapour pressure of solution.

4.
What are reducing sugars?

5.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

6.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

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CBSE Class 12 Geography (Punjabi) Set 3 - 227/3 Question Paper 2017 with Answer Key (April 6)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

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

3.61 g benzoic acid (M = 122 g mol$^{-1}$) dissolved in 500 g benzene. Vapour pressure of pure benzene = 66 torr. Assume complete dimerisation. Calculate vapour pressure of solution.

4.What are reducing sugars?

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

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

Comments

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

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

3.
61 g benzoic acid (M = 122 g mol$^{-1}$) dissolved in 500 g benzene. Vapour pressure of pure benzene = 66 torr. Assume complete dimerisation. Calculate vapour pressure of solution.

4.
What are reducing sugars?

5.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

6.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr