CBSE Class 12 Economics Question Paper 2013 with Answer Key (March 30, Code

CBSE Class 12 Economics Question Paper 2013 with Answer Key Code - 58/1/1 is available for download. The exam was conducted by the Central Board of Secondary Education on March 30, 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 32 questions divided among 2 sections.

CBSE Class 12 Economics Code - 58/1/1 Question Paper 2013 with Answer Key (March 30)

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CBSE CLASS XII Questions

1.
Write mechanism of acid dehydration of ethanol to ethene.

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2.
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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3.
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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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.
Predict the alkene formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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

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CBSE Class 12 Economics Question Paper 2013 with Answer Key (March 30, Code - 58/1/1)

CBSE Class 12 Economics Code - 58/1/1 Question Paper 2013 with Answer Key (March 30)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
Write mechanism of acid dehydration of ethanol to ethene.

2.
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

3.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

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.
Predict the alkene formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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

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CBSE Class 12 Economics Code - 58/1/1 Question Paper 2013 with Answer Key (March 30)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

2.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

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

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.Predict the alkene formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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

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1.
Write mechanism of acid dehydration of ethanol to ethene.

2.
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

3.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

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.
Predict the alkene formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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