CBSE Class 12 Geography (Urdu) Question Paper 2013 with Answer Key (March 13, Code

CBSE Class 12 Geography (Urdu) Question Paper 2013 with Answer Key Code - 255/1/1 is available for download. The exam was conducted by the Central Board of Secondary Education on March 13, 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 26 questions.

CBSE Class 12 Geography (Urdu) Code - 255/1/1 Question Paper 2013 with Answer Key (March 13)

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CBSE CLASS XII Questions

1.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

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5.
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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6.
Why is o-nitrophenol more acidic than o-methoxyphenol?

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CBSE Class 12 Geography (Urdu) Question Paper 2013 with Answer Key (March 13, Code - 255/1/1)

CBSE Class 12 Geography (Urdu) Code - 255/1/1 Question Paper 2013 with Answer Key (March 13)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

2.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

3.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

4.
Why are magnesium blocks attached to iron water pipelines?

5.
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.

6.
Why is o-nitrophenol more acidic than o-methoxyphenol?

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CBSE Class 12 Geography (Urdu) Code - 255/1/1 Question Paper 2013 with Answer Key (March 13)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

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

3.Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

4.Why are magnesium blocks attached to iron water pipelines?

5.61 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.

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

Comments

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1.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

2.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

3.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

4.
Why are magnesium blocks attached to iron water pipelines?

5.
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.

6.
Why is o-nitrophenol more acidic than o-methoxyphenol?