Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 2>Q 51

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IMPORTANT

Earn 100

Match list- $I$ with list- $II$ and select the correct answer by using the codes given below _______.

List $I$
(Shapes) List $II$
(Radius ratio)

$(A)$ planar triangle. $1 .$ $0.732$

$(B)$ square planar. $2 .$ $0.225$

$(C)$ body centered cubic. $3 .$ $0.155$

$(D)$ tetrahedral. $4 .$ $0.414$

Codes.

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Important Questions on Solid State

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IMPORTANT

Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 2>Q 52

The radius of

{Ag}^{+}

ion is

126

pm and that of

I^{-}

ion is

216

pm. The co-ordination number of

{Ag}^{+}

ion is.

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Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 2>Q 53

The ionic radii of

{Rb}^{+}

and

I^{-}

are

1.46 \overset{\circ}{A}

and

2.16 \overset{\circ}{A}

. The most probable type of structure exhibited by it is _______.

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Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 2>Q 54

A metal crystallizes in a face-centred cubic structure. If the edge length of its unit cell is

a

, the closest approach between two atoms in metallic crystal will be_______.

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Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 3>Q 1

The number of atoms in

100 g

of a

fcc

crystal with density

d =10 g / {cm}^{3}

and cell edge equal to

100 pm

is _______.

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Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 3>Q 2

An element (atomic mass $100 g / mol$ ) having $bcc$ structure has unit cell edge $400 pm$ . Then density of the element is ______.

$[CBSE PMT 1996; AIIMS 2002]$

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Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 3>Q 3

How many unit cells are present in a cube-shaped ideal crystal of

NaCl

of mass

1.00 g

?
[Atomic masses:

Na =23, Cl =35.5

]

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Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 3>Q 4

A metal has a fcc lattice. The edge length of the unit cell is $404 pm$ . The density of the metal is $2 .72 g {cm}^{- 3}$ . The molar mass of the metal is (Avogadro's number $= 6 {.02 \times 10}^{23}$ )

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Chemistry Crash Course NEET>Chapter 7 - Solid State>Level 3>Q 5

A crystal lattice with alternate $+ ve$ and $- ve$ ions has radius ratio of $0.524$ . Its coordination number is ______.