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The Aldol Addition

Give balanced...

Question

Give balanced equations for the following reactions:
(i) Methyl magnesium bromide with ethyl alcohol.
(ii) Acetic anhydride with phosphorous pentachloride.
(iii) Acetaldehyde with hydroxylamine.

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Solution

(i) Methyl magnesium bromide with ethyl alcohol gives methane and $C H_{3} C H_{2} O M g B r$ .
$C H_{3} M g B r + C H_{3} C H_{2} O H \to C H_{4} + C H_{3} C H_{2} O M g B r$
(ii) Acetic anhydride with phosphorous pentachloride gives acetyl chloride.
$(C H_{3} C O)_{2} O + P C l_{5} \to 2 C H_{3} C O C l + P O C l_{3}$
(iii) Acetaldehyde with hydroxylamine gives an oxime.
$C H_{3} C H O + N H_{2} - O H \to C H_{3} C H = N - O H$

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