MHT CET 2020 16th October Morning Shift | Solid State Question 172 | Chemistry

A metallic element crystallises in simple cubic lattice. If edge length of the unit cell is $$3\mathop A\limits^o$$, with density $$8 \mathrm{~g} / \mathrm{cc}$$, what is the number of unit cells in $$100 \mathrm{~g}$$ of the metal?

(Molar mass of metal $$=108 \mathrm{~g} / \mathrm{mol}$$ )

$$1.33 \times 10^{20}$$

$$2.7 \times 10^{22}$$

$$2 \times 10^{24}$$

$$5 \times 10^{23}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-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 $$=98.99$$)

8.780 $$\mathop A\limits^o $$

6.083 $$\mathop A\limits^o $$

5.783 $$\mathop A\limits^o $$

7.783 $$\mathop A\limits^o $$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

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

438.5 pm

219.2 pm

265.5 pm

536.9 pm

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-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

$3.2 \times 10^{-7} \mathrm{~cm}$

$1.86 \times 10^{-8} \mathrm{~cm}$

$1.07 \times 10^{-7} \mathrm{~cm}$

$1.07 \times 10^{-8} \mathrm{~cm}$

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Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry

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