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Practical Organic Chemistry: Named reactions summary MCQ

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Named reactions summaryEasyQuestion 910001

Question

The Cannizzaro reaction involves:
  1. A
    Disproportionation of aldehydes without α-H using conc. NaOH
    Correct
  2. B
    Reduction of ketones
  3. C
    Friedel-Crafts acylation
  4. D
    Formation of iodoform

Correct answer

Disproportionation of aldehydes without α-H using conc. NaOH

Explanation

Cannizzaro: aldehydes with no α-H (HCHO, PhCHO) + conc. NaOH → one oxidised (→ carboxylate) + one reduced (→ alcohol). 2HCHO → HCOO⁻ + CH₃OH.

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