CBSE Class 12 Punjabi Question Paper 2016 with Answer Key (March 10)

CBSE Class 12 Punjabi Question Paper 2016 with Answer Key Set 4 is available for download. The exam was conducted by the Central Board of Secondary Education on March 10, 2016 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was Punjabi. The question paper comprised a total of 16 questions.

CBSE Class 12 Punjabi Question Paper 2016 with Answer Key (March 10)

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CBSE CLASS XII Questions

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

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2.
Predict the alkene that would be formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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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.
Why are magnesium blocks attached to iron water pipelines?

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5.
Why is o-nitrophenol more acidic than o-methoxyphenol?

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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 Punjabi Question Paper 2016 with Answer Key (March 10)

CBSE Class 12 Punjabi Question Paper 2016 with Answer Key (March 10)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

2.
Predict the alkene that would be formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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.
Why are magnesium blocks attached to iron water pipelines?

5.
Why is o-nitrophenol more acidic than o-methoxyphenol?

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 Punjabi Question Paper 2016 with Answer Key (March 10)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

2.Predict the alkene that would be formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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.Why are magnesium blocks attached to iron water pipelines?

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

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

Comments

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

2.
Predict the alkene that would be formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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.
Why are magnesium blocks attached to iron water pipelines?

5.
Why is o-nitrophenol more acidic than o-methoxyphenol?

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