Question:

Directions: The answer to the following question is a single digit integer ranging from 0 to 9. Enter the correct digit in the box given below.

How many open chain structures are possible for N-Methly butanamine (including it) that are referred to as metamers.

Updated On: Sep 30, 2024
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Correct Answer: 6

Solution and Explanation

Explanation:
The molecular formula of N-methyl butanamine is C5H13N. Primary, secondary and tertiary amines are different functional groups and metamerism cannot coexist with functional isomerism. Hence, we shall consider only those isomers of N-methyl butanamine which are secondary (2o) amines.Group A: CH3NH-CH2-CH2CH2-CH3(1) CH3-NH-CHCH3-CH2-CH3(2) CH3-NH-CH2-CHCH3-CH3(3) CH3-NH-CCH32-CH3(4)Group B: CH3-CH2-NH-CH2-CH2-CH3(5) CH3-NH-CHCH32(6)Every molecule of group A is a metamer of every molecule in group B.Therefore, there are 6 possible open structure of N-methy1 butanamine.Hence, the correct answer is 6.
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