Q. Consider all possible isomeric ketones including stereoisomers of MW = 100, All these isomers are independently reacted with $\mathrm{NaBH}_{4}$ (NOTE : stereoisomers are also reacted separately).
The total number of ketones that give a racemic product(s) is/are.
[JEE 2014]
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Sol. (5) M. wt 100 of ketone So m. formula = $\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}$
\ (1 ; 2 ; 3 ; 6 ; 7)
Q. In the reaction,
(A)Ethylene
(B) Acetyl chloride
(C) Acetaldehyde
(D) Acetylene
[JEE 2014]
(A)Ethylene
(B) Acetyl chloride
(C) Acetaldehyde
(D) Acetylene
[JEE 2014]
Q. The reagent needed for converting
is :
(A) $\mathrm{H}_{2} /$ Lindlar Cat.
(B) Cat. Hydrogenation
(D) $\mathrm{Li} / \mathrm{NH}_{3}$
[JEE 2014]
is :
(A) $\mathrm{H}_{2} /$ Lindlar Cat.
(B) Cat. Hydrogenation
(D) $\mathrm{Li} / \mathrm{NH}_{3}$
[JEE 2014]
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