CBSE Class 12 Accountancy Question Paper 2020 with Answer Key (March 5, SET 3

CBSE Class 12 Accountancy Question Paper 2020 with Answer Key SET 3 - 67/2/3 is available for download. The exam was conducted by the Central Board of Secondary Education on March 5, 2020 in the Morning Session 10:30 AM to 1:30 PM. The medium of paper was English & Hindi. In terms of difficulty level, CBSE Class 12 Accountancy paper was of Easy to Moderate level. The question paper comprised a total of 32 questions divided among 2 sections.

CBSE Class 12 Accountancy SET 3 - 67/2/3 Question Paper 2020 with Answer Key (March 5)

CBSE Class 12 Accountancy Question Paper 2020 PDF	CBSE Class 12 Accountancy Answer Key 2020 PDF
Download PDF	Available Soon

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.
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.

View Solution

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.

View Solution

3.
Under what condition can a bimolecular reaction become kinetically first order?

View Solution

4.
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

View Solution

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

View Solution

6.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

View Solution

CBSE Class 12 Accountancy Question Paper 2020 with Answer Key (March 5, SET 3 - 67/2/3)

CBSE Class 12 Accountancy SET 3 - 67/2/3 Question Paper 2020 with Answer Key (March 5)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
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.

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

4.
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

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

6.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

Comments

SUBSCRIBE TO OUR NEWS LETTER

CBSE Class 12 Accountancy SET 3 - 67/2/3 Question Paper 2020 with Answer Key (March 5)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.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.

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

4.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

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

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

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
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.

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

4.
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

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

6.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?