Which one of the following is a false statement about 13th group elements is
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a
Melting point of the Gallium is low
b
Thallium shows inert pair effect
c
Boron can easily form trivalent cations
d
Indium has the least IP1 value in 13th group
answer is C.
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Detailed Solution
Melting point of the Gallium is low(302K).Thallium shows inert pair effect, it is more stable in +1 state than in +3 state.Boron cannot form trivalent cations due to very high sum of IP1, IP2 and IP3 values.IP1 trend - B > Tl > Ga > Al > In.