CBSE Class 12 Geography Question Paper 2023 with Answer Key (March 2, Set 3- 227/1/3)

CBSE Class 12 2023 Geography Question Paper Set 3- 227/1/3 with Answer Key pdf is available for download here. The exam was conducted by Central Board of Secondary Education on March 2, 2023. The medium of paper was Punjabi. According to initial student reaction, the CBSE Class 12 Geography Paper was rated as Moderate in difficulty level. The question paper comprised a total of 30 questions divided among 5 sections.

CBSE Class 12 Geography (Set 3- 227/1/3) Question Paper 2023 with Answer Key

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CBSE Class 12 Previous Year Question Papers

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CBSE CLASS XII Questions

1.
What are reducing sugars?

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

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4.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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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 Geography Question Paper 2023 with Answer Key (March 2, Set 3- 227/1/3)

CBSE Class 12 Geography (Set 3- 227/1/3) Question Paper 2023 with Answer Key

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
What are reducing sugars?

2.
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.

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

4.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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 Geography (Set 3- 227/1/3) Question Paper 2023 with Answer Key

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.What are reducing sugars?

2.61 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.

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

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

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.
What are reducing sugars?

2.
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.

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

4.
Which isomer of $C_4H_9Br$ is most reactive towards $S_N1$ reaction?

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.