A substance has density of 2 kg dm -3 & it crystallizes to …

Chemistry Solid State General Single Correct MCQ

Published on: August 14, 2026

A substance has density of 2 kg dm -3 & it crystallizes to fcc lattice with edge length equal to 700 pm, then the moalr mass of the substance is

75.50 gmmol -1

103.30 gmmol -1

56.02 gmmol -1

65.36 gmmol -1

Text Solution

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The correct answer is:

(Since, effective number of atoms is unit cell = 4) on solving we get M m = 103. 03 gm/mol

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