Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 1>Q 40

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An ionic compound $AB$ has $ZnS$ type of structure. If the radius, $A^{+}$ is $22.5 pm,$ then, the ideal radius of $B^{-}$ is:

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Important Questions on Solid State

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 1

The electrons trapped in anion vacancies in metal excess defects are called-

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 2

The non-stoichiometric compound

{Fe}_{0.94} O

is formed when a total of

x %

{Fe}^{2 +}

ions are replaced by

{Fe}^{3 +}

such that each

{Fe}^{2 +}

is replace by as many as

\frac{2}{3} {Fe}^{3 +}

ions,

x

is-

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 3

In the face centred cubic unit cell, the closest packed layers are perpendicular to:

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 4

Lithium crystallizes in a body centred cubic lattice. How many next-nearest neighbors does each

Li

have?

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 5

Which of the following shaded planes in $fcc$ lattice contains the arrangement of atoms as shown by the circles_____

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 6

Consider the radii

0.095 nm ({Na}^{+}), 0.181 nm ({Cl}^{-}),

0.074 nm ({Zn}^{2 +}), 0.184 nm (S^{2 -}), 0.068 nm ({Ti}^{4 +}),

0.140 nm (O^{2 -}) and 0.169 nm ({Cs}^{+}) .

Choose the correct option from the following. (Use radius ratio rules)

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 7

$TlAl {({SO}_{4})}_{2} \cdot {xH}_{2} O$ is BCC with $' a' = 1.22 nm .$ If the density of the solid is $2.32 g {cc}^{- 1}$ , then the value of $x$ is:

$(Given : N_{A} = 6 \times 10^{23}; atomic weights : Tl = 204, Al = 27, S = 32 .)$

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Chemistry Crash Course JEE Main>Chapter 21 - Solid State>Level 2>Q 8

In a face-centred cubic arrangement of

A

and

B

atoms,

A

atoms are at the corner of the unit cell and

B

atoms at the face centre. One of the

A

atoms is missing from one corner in the unit cell. The simplest formula for the compound is: