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KCET2022ChemistryAldehydes and Ketones

Reaction by which benzaldehyde cannot be prepared is

Options

  1. ABenzoic acid Zn . Hg and conc. HCl
  2. BToluene (i) CrO ₂ Cl ₂ in CS ₂ (ii) H ₃ O ⁺
  3. CBenzoyl chloride + H ₂ Nd - BaSO ₄ ~A
  4. DBenzene + CO + HCl Anhyd AlCl ₃

Correct answer

A. Benzoic acid Zn . Hg and conc. HCl

Step-by-step solution

(a) (b) (c) (d)

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