Choose the best sequence of reactions for transformations given .Semicolons indicate separate reactions step to be used in the order shown.

H_{3} O^{+}; S O C l_{2}; C H_{3} N H_{2}

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H O^{-} / H_{2} O; P B r_{3}; M g; C O_{2}; H_{3} O^{-}; S O C l_{2}; C H_{3} N H_{2}

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L i A l H_{4} / H_{2} O; H B r; M g; C O_{2}; H_{3} O^{+}; S O C l_{2}; C H_{3} N H_{2}

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None of these would yield the desired product

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Solution

The correct option is A $H_{3} O^{+}; S O C l_{2}; C H_{3} N H_{2}$
Methoxy acid on hydrolysis gives carboxylic acid which on reaction with thionyl chloride gives acyl chloride. Acyl hloride on creation with amines gives alkyl amides.
Option: A

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Similar questions

P h - C l M g - ---- \to dry ether C O_{2} / H^{+}, H_{2} O - -------- \to S O C l_{2} - --- \to i . C H_{2} N_{2} - ------- \to i i . A g_{2} O, H_{2} O

O

H_{2} O_{2} + H_{2} O \to H_{3} O^{+} + H O_{2}^{-}

S_{N} 2

H O^{-}, H_{2} O, {H_{3} O}^{+}

R - C H_{2} - C H_{2} - O H

R - C H_{2} C H_{2} C O O H

C H_{3} N H_{3}^{+} - C H_{3} N H_{2}

H_{3} O^{+}

O H^{-}

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