CBSE Class 12 Chemistry 2020 Outside Delhi Set 1 Solved Paper

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Question : 33
Total: 37
Arrange the following compounds as directed:
(i) In increasing order of solubility in water:
(CH3)2NH,CH3NH2,C6H5NH2
(ii) In decreasing order of basic strength in aqueous solution :
(CH3)3N,(CH3)2NH,CH3NH2
(iii) In increasing order of boiling point:
(C2H5)2NH,(C2H5)3N,C2H5NH2
Solution:  
(i) Increasing order of solubility:
C6H5NH2<(CH3)2NH<CH3NH2
(ii) Decreasing order of basic strength in aqueous solution:
(CH3)2NH>(CH3)3N>CH3NH
(iii) Increasing order of boiling point:
(C2H5)3N<(C2H5)2NH<C2H5NH2
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