AP EAMCET201822 Apr 2018Evening ShiftChemistryp Block Elements (Group 13 & 14)Actual
Identify the correct set of 13 th group elements which do not form amphoteric oxides?
Options
- AB, In, Tl
- BB, Al, Ga
- CAl, Ga, Tl
- DAl, Tl, In
Correct answer
A. B, In, Tl
Step-by-step 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.