CBSE Class 12 English Core Question Paper 2023 with Answer Key (February 24, Set 2- 1/2/2)

CBSE CLASS XII Questions

• 1.

  What are reducing sugars?

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• 2.

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

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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.

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

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• 6.

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

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