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NEET-XII-Chemistry

Previous Year Paper year:2018

with Solutions - page 2
Qstn# 66 Prvs-QstnNext-Qstn
  • #66
    The correct order of atomic radii in group 13
    elements is
    (1) B < Al < In < Ga < Tl
    (2) B < Al < Ga < In < Tl
    (3) B < Ga < Al < Tl < In
    (4) B < Ga < Al < In < Tl
    digAnsr:   4
    Ans : (4)
    Sol. In group 13 due to transition contraction [Al > Ga]