CBSE Class 12 Business Studies (Urdu) Question Paper 2017 with Answer Key (March 16, Set 1

CBSE Class 12 Business Studies (Urdu) Question Paper 2017 with Answer Key Set 1 - 263/1/1 is available for download. The exam was conducted by the Central Board of Secondary Education on March 16, 2017 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was Urdu. In terms of difficulty level, CBSE Class 12 Business Studies (Urdu) paper was of Easy level. The question paper comprised a total of 25 questions.

CBSE Class 12 Business Studies (Urdu) Set 1 - 263/1/1 Question Paper 2017 with Answer Key (March 16)

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CBSE CLASS XII Questions

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

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3.
Why are magnesium blocks attached to iron water pipelines?

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4.
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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5.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

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6.
Write mechanism of acid dehydration of ethanol to ethene.

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CBSE Class 12 Business Studies (Urdu) Question Paper 2017 with Answer Key (March 16, Set 1 - 263/1/1)

CBSE Class 12 Business Studies (Urdu) Set 1 - 263/1/1 Question Paper 2017 with Answer Key (March 16)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
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

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

3.
Why are magnesium blocks attached to iron water pipelines?

4.
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.

5.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

6.
Write mechanism of acid dehydration of ethanol to ethene.

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CBSE Class 12 Business Studies (Urdu) Set 1 - 263/1/1 Question Paper 2017 with Answer Key (March 16)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.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

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

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

4.61 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.

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

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

Comments

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1.
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

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

3.
Why are magnesium blocks attached to iron water pipelines?

4.
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.

5.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

6.
Write mechanism of acid dehydration of ethanol to ethene.