1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The correct statement regarding defects in solid is

A
Frenkel defect is a vacancy defect
B
Schottky defect is a dislocation defect
C
Trapping of an electron in the lattice leads to the formation of F-centre
D
Schottky defect has no effect on density
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A metal crystallises in bcc lattice with unit cell edge length of $$300 \mathrm{~pm}$$ and density $$615 \mathrm{~g~cm}^{-3}$$. The molar mass of the metal is

A
$$50 \mathrm{~g~mol}^{-1}$$
B
$$60 \mathrm{~g~mol}^{-1}$$
C
$$40 \mathrm{~g~mol}^{-1}$$
D
$$70 \mathrm{~g~mol}^{-1}$$
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