CHCl_3 is a liquid while CHI_3 is a solid, because _________

MHT CET Chemistry question

is a liquid while is a solid, because

(A) is less polar than
(B)C - Cl bond is stronger than C - I bond
(C)Their shapes are different
(D)The molecular weight of is greater than that of Correct

Answer: (D)

Solution

Both are tetrahedral, and the much larger, more polarisable CHI3 (molar mass about 394 g/mol versus 119.5 g/mol) has stronger van der Waals forces and is

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Question ID VK-043637