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Question

The increasing order of atomic radii of the following Group 13 elements is :
  1. Al<Ga<In<Tl
  2. Ga<Al<In<Tl
  3. Al<In<Ga<Tl
  4. Al<Ga<Tl<In

A
Al<Ga<In<Tl
B
Ga<Al<In<Tl
C
Al<In<Ga<Tl
D
Al<Ga<Tl<In
Solution
Verified by Toppr

The increasing order of atomic radii of group 13 elements is :

Ga(135pm)<Al(143pm)<In(167pm)<Tl(170pm)

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Q1
The reducing character of Al, Ga, In, Tl increases in which of the following order?
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