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JEE Advanced 2014Paper 1
Exam
JEE Advanced
Year
2014
Paper
Paper 1
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Advanced 2014 · Paper 1 · Chemistry · Aldehydes and Ketones

Consider all possible isomeric ketones, including stereoisomers of...

Consider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently reacted with NaBH4NaB{H}_{4} (NOTE: stereoisomers are also reacted separately). The total number of ketones that give a racemic product(s) is/areConsider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independentlyConsider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independentlyConsider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independentlyConsider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independentlyConsider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independentlyConsider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently

Correct answer

5

Step-by-step solution

The general formula of isomeric ketone having molecular mass 100 is C6H12O[6x12+12x1+16]{C}_{6}{H}_{12}O [ 6x12 + 12x1 + 16 ].

1] Will not give a racemic mixture on reduction with NaBH4NaB{H}_{4}. 

this  ketone have chiral center will give diastereoisomer.
Consider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently
2] Will give a racemic mixture on reduction with NaBH4NaB{H}_{4}
Consider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently
3] Will give a racemic mixture on reduction with NaBH4NaB{H}_{4}
Consider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently
4] Will give a racemic mixture on reduction with NaBH4NaB{H}_{4}
Consider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently
5] Will give a racemic mixture on reduction with NaBH4NaB{H}_{4}
Consider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently
6] Will give a racemic mixture on reduction with NaBH4NaB{H}_{4}
Consider all possible isomeric ketones, including stereoisomers of MW = 100. All these isomers are independently

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