CBSE Class 12 Chemistry 2019 Delhi Set 2 Solved Paper

Question : 1

Total: 10

SECTION - A

Arrange the following in increasing order of base strength in gas phase:
(C2H5)3N,C2H5NH2,(C2H5)2‌NH

Solution:

Base strength is the ability to donate lone pair. Due to inductive effect of C2H5, the negative charge density on nitrogen atom increases. Therefore, lone pair is easily available for donation.
C2H5NH2<(C2H5)2‌NH<(C2H5)3N

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