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1
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

A compound has fcc structure. If density of unit cell is $$3.4 \mathrm{~g} \mathrm{~cm}^{-3}$$, what is the edge length of unit cell?

(Molar mass $$=98.99$$)

A
8.780 $$\mathop A\limits^o $$
B
6.083 $$\mathop A\limits^o $$
C
5.783 $$\mathop A\limits^o $$
D
7.783 $$\mathop A\limits^o $$
2
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

Xenon crystallises in fcc lattice and the edge length of unit cell is 620 pm. What is the radius of Xe atom?

A
438.5 pm
B
219.2 pm
C
265.5 pm
D
536.9 pm
3
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If a metal crystallises in bcc structure with edge length of unit cell $4.29 \times 10^{-8} \mathrm{~cm}$ the radius of metal atom is

A
$3.2 \times 10^{-7} \mathrm{~cm}$
B
$1.86 \times 10^{-8} \mathrm{~cm}$
C
$1.07 \times 10^{-7} \mathrm{~cm}$
D
$1.07 \times 10^{-8} \mathrm{~cm}$
4
MHT CET 2019 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following statements is true about Schottky defect?

A
In this defect cation and anion are lacking in stoichiometric proportion
B
Formation of metal alloy is example of this defect
C
In this cation or anion moves from regular site to place between lattice site
D
In this regular cation is replaced by different cation
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