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23/09/2021 5:28 pm
Topic starter
The reagent ‘R’ in the given sequence of chemical reaction is
(1) H2O
(2) CH3CH2OH
(3) HI
(4) CuCN/KCN
1 Answer
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23/09/2021 5:31 pm
Correct answer: (2) CH3CH2OH
Explanation:
R : CH3CH2OH Certain mild reducing agents like hypophosphorus acid or ethanol reduce diazonium salts to arene and themselves get oxidised to phosphorous acid and ethanal respectively.