1.

In gas phase, the basicities of amines increase in the order NH_(3) lt CH_(3)NH_(2) lt (CH_(3))_(2)NH lt (CH_(3))_(3)N This is due to

Answer»

Increase in molar mass
Avahability of one pair of electrons of atom as a result of ELECTRON donating in DUE to effect of METHYL groups
increase in dispersion forces
increase in H-bonding.

Answer :B


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