The Pblock Elements Ques 24
24. The stability of $+1$ oxidation state among $Al, Ga$, $In $ and $T1$ increases in the sequence::
[2015 RS]
(a) $Ga<$ $In$ $<Al<Tl$
(b) $Al<Ga<$ $In$ $<Tl$
(c) $Tl<$ $In$ $<Ga<Al$
(d) $In$ $<Tl<Ga<Al$
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Answer:
Correct Answer: 24.(b)
Solution:
- (b) Lower oxidation state become more stable on moving down the group
$ Al<Ga< ln <Tl $
BETA
