CBSE Class 12 Business Studies Question Paper 2023 with Answer Key (March 25, Set 3- 263/5/3)

CBSE Class 12 2023 Business Studies Question Paper Set 3- 263/5/3 with Answer Key pdf is available for download here. The exam was conducted by Central Board of Secondary Education on March 25, 2023. The question paper comprised a total of 34 questions.

CBSE Class 12 Business Studies (Set 3- 263/5/3) Question Paper 2023 with Answer Key

CBSE Class 12 Business Studies Question Paper 2023 PDF	CBSE Class 12 Business Studies Answer Key 2023 PDF
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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.
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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3.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

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4.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

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5.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

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

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CBSE Class 12 Business Studies Question Paper 2023 with Answer Key (March 25, Set 3- 263/5/3)

CBSE Class 12 Business Studies (Set 3- 263/5/3) Question Paper 2023 with Answer Key

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.
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

3.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

4.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

5.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

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

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CBSE Class 12 Business Studies (Set 3- 263/5/3) Question Paper 2023 with Answer Key

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.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

3.Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether (b) p-Hydroxyphenethyl alcohol + HBr

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

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

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

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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.
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

3.
Draw the structures of major products: (a) Chlorobenzene + $CH_3Cl$ / Na, dry ether
(b) p-Hydroxyphenethyl alcohol + HBr

4.
Though chlorine shows strong $-I$ effect, why is it ortho/para directing?

5.
Explain: (i) Presence of carbonyl group in glucose. (ii) Presence of five $-$OH groups attached to different carbon atoms.

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