CBSE Class 12 Financial Accounting Question Paper 2019 with Answer Key (February 18)

CBSE Class 12 Financial Accounting Question Paper 2019 with Answer Key Set 4 is available for download. The exam was conducted by the Central Board of Secondary Education on February 18, 2019 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 36 questions divided among 3 sections.

CBSE Class 12 Financial Accounting Question Paper 2019 with Answer Key (February 18)

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CBSE Class 12 Previous Year Question Papers

CBSE Question Paper 2020	CBSE Question Paper 2019	CBSE Question Paper 2018
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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.

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2.
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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3.
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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4.
Why are magnesium blocks attached to iron water pipelines?

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5.
Under what condition can a bimolecular reaction become kinetically first order?

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

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CBSE Class 12 Financial Accounting Question Paper 2019 with Answer Key (February 18)

CBSE Class 12 Financial Accounting Question Paper 2019 with Answer Key (February 18)

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

3.
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

4.
Why are magnesium blocks attached to iron water pipelines?

5.
Under what condition can a bimolecular reaction become kinetically first order?

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

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CBSE Class 12 Financial Accounting Question Paper 2019 with Answer Key (February 18)

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

3.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

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

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

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

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

3.
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

4.
Why are magnesium blocks attached to iron water pipelines?

5.
Under what condition can a bimolecular reaction become kinetically first order?

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