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06/01/2022 1:32 pm
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The melting pt. of group 13 follows the order
(a) B > Al > Ga > In > Tl
(b) B > Al < Ga > In > Tl
(c) B > Al > Tl > In > Ga
(d) B > Al < Ga < In < Tl
1 Answer
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06/01/2022 1:33 pm
Correct answer: (c) B > Al > Tl > In > Ga
Explanation:
Due to structural changes, melting point, increases from Ga to Tl and Ga has the lowest melting point.