CBSE Class 12 Hindi Core Question Paper 2019 with Answer Key (March 9, Set 2

CBSE Class 12 Hindi Core Question Paper 2019 with Answer Key Set 2 - 2/2/2 is available for download. The exam was conducted by the Central Board of Secondary Education on March 9, 2019 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was Hindi. In terms of difficulty level, CBSE Class 12 Hindi Core paper was of Moderate level. The question paper comprised a total of 14 questions.

CBSE Class 12 Hindi Core Set 2 - 2/2/2 Question Paper 2019 with Answer Key (March 9)

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CBSE Class 12 Previous Year Question Papers

CBSE Question Paper 2020	CBSE Question Paper 2019	CBSE Question Paper 2018
CBSE Question Paper 2017	CBSE Question Paper 2016	CBSE Question Paper 2015

CBSE CLASS XII Questions

1.
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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2.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

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3.
Write mechanism of acid dehydration of ethanol to ethene.

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4.
Under what condition can a bimolecular reaction become kinetically first order?

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5.
Predict the alkene that would be formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

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6.
For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.

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CBSE Class 12 Hindi Core Question Paper 2019 with Answer Key (March 9, Set 2 - 2/2/2)

CBSE Class 12 Hindi Core Set 2 - 2/2/2 Question Paper 2019 with Answer Key (March 9)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

2.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

3.
Write mechanism of acid dehydration of ethanol to ethene.

4.
Under what condition can a bimolecular reaction become kinetically first order?

5.
Predict the alkene that would be formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

6.
For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.

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CBSE Class 12 Hindi Core Set 2 - 2/2/2 Question Paper 2019 with Answer Key (March 9)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

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

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

4.Under what condition can a bimolecular reaction become kinetically first order?

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

6.For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.

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1.
Give structures of A, B and C: $CH_3Cl \xrightarrow{KCN}$ A $\xrightarrow{LiAlH_4}$ B $\xrightarrow{CHCl_3 + \text{alc. } KOH, \Delta}$ C

2.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

3.
Write mechanism of acid dehydration of ethanol to ethene.

4.
Under what condition can a bimolecular reaction become kinetically first order?

5.
Predict the alkene that would be formed by dehydrohalogenation of 1-Bromo-1-methylcyclohexane.

6.
For decomposition of $H_2O_2$ by $I^-$: Step I: $H_2O_2 + I^- \rightarrow H_2O + IO^-$ (slow). Step II: $H_2O_2 + IO^- \rightarrow H_2O + I^- + O_2$ (fast). (a) Write rate law. (b) Determine order w.r.t. $H_2O_2$ and $I^-$ and overall order. (c) Molecularity of Step II.