CBSE Class 12 Political Science (Punjabi) Question Paper 2017 with Answer Key (April 3, Set 2

CBSE Class 12 Political Science (Punjabi) Question Paper 2017 with Answer Key Set 2 - 221/2 is available for download. The exam was conducted by the Central Board of Secondary Education on April 3, 2017 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was Punjabi.In terms of difficulty level, CBSE Class 12 Political Science (Punjabi) paper was of Moderate level. The question paper comprised a total of 27 questions.

CBSE Class 12 Political Science (Punjabi) Set 2 - 221/2 Question Paper 2017 with Answer Key (April 3)

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CBSE CLASS XII Questions

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

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2.
Why are magnesium blocks attached to iron water pipelines?

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

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4.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

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5.
What are reducing sugars?

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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 Political Science (Punjabi) Question Paper 2017 with Answer Key (April 3, Set 2 - 221/2)

CBSE Class 12 Political Science (Punjabi) Set 2 - 221/2 Question Paper 2017 with Answer Key (April 3)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

2.
Why are magnesium blocks attached to iron water pipelines?

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

4.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

5.
What are reducing sugars?

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 Political Science (Punjabi) Set 2 - 221/2 Question Paper 2017 with Answer Key (April 3)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

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

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

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

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

5.What are reducing sugars?

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.

Comments

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

2.
Why are magnesium blocks attached to iron water pipelines?

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

4.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

5.
What are reducing sugars?

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.