Question
10) _ u is the product of the following reaction sequence? Write the structure of A...
10) _ u is the product of the following reaction sequence? Write the structure of A and product B. Mg, Diethyl ether Br A 2. H2O+ A) 3-methyl-3-hexanol C) 2-methyl-3-hexanol B) 2-heptanol D) 3-ethyl-2-pentanol 1) - 11) The reaction of a Grignard reagent with an aldehyde followed by dilute acid gives a n A) tertiary alcohol. B) primary alcohol. C) ester. D) secondary alcohol. 12) What is the product of the following reaction sequence? 12) SOCI 1) CH3CH2CH2MgBr 2) H30* H A) 4-chloroheptane C) 3-chloro-4-heptanol B) 3-heptene D) 3-chloroheptane
Answers
10) option A is correct
Explanation; Reaction of alkyl halide with Mg,diethyl ether produces grignard reagent which on further reaction with ketone produces secondary alcohol as product.
11) option D is correct
Explanation: reaction of aldehyde with grignard reagent produces secondary alcohol as product.
12) option A is correct
Explanation: Reaction of grignard reagent with aldehyde produces alcohol as product which on further reaction with SOCl2 produces alkyl chloride as product.
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