Identify the correct set of 13 th group elements which do not form amphoteric oxides?

Identify the correct set of 13 th group elements which do not form amphoteric oxides?
  1. B, In, Tl
  2. B, Al, Ga
  3. Al, Ga, Tl
  4. Al, Tl, In

Solution

An amphoteric compound is a molecule or ion that can react both as an acid as well as base. So, in 13th group elements B, In and Tl, do not form amphoteric oxides.

Asked in: AP EAMCET 2018 (22 Apr Shift 2)

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