The P Block Elements - Result Question 31
####31. Of the following hybrides which one has the lowest boiling point?
[1989]
(a)
(b)
(c)
(d)
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Solution:
- (c)
undergoes H-bonding and hence has the highest b.p. Among the remaining hydrides i.e. and the b.p. increases as the size of the element increases and hence the magnitude of the van der Waal’s forces of attraction increases. Thus, has the lowest b.p.