Q113 · CSIR-NET Chemistry, December 2013

Paper: CSIR-NET December 2013 · Subject: Physical Chemistry · Chapter: Solid State Chemistry · Topic: Crystal Systems Lattices · Marks: 2 · Difficulty: Medium

Metallic gold crystallizes in fcc structure with unit cell dimension of $4.00 \AA$. The atomic radius of gold is
(a)$0.866 \AA$
(b)$1.414 \AA$
(c)$1.732 \AA$
(d)$2.000 \AA$
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
fcc: r = a√2/4 = 4.00 × 0.3536 = 1.414 Å.

Study loop for Solid State Chemistry

1. Practise the PYQsPrevious-year questions, with answers

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