EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - Solid State>TS EAMCET 2019 (03-May Shift-2)>Q 2

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IMPORTANT

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$NaCl$ is a $FCC$ lattice where ${Na}^{+}$ ions are at corner and face centre positions. Chloride ions are at edge centres and body centre positions. How many $NaCl$ formula units will be in an unit cell

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Important Questions on Solid State

MEDIUM

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - Solid State>TS EAMCET 2018 (04-May Shift-1)>Q 3

A compound is formed by elements of

X, Y

and

Z

. Atoms of

Z

(anions) make

FCC

lattice. Atoms of

X

(cations) occupy all the octahedral voids. Atoms of

Y

(cations) occupy

\frac{1}{3} rd

of the tetrahedral voids. The formula of the compound is:

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - Solid State>TS EAMCET 2021 (04-Aug Shift-2)>Q 4

Potassium crystallizes in

FCC

lattice with unit cell length of

0.5 nm .

The approximate density

(in {gcm}^{- 3}),

if it contains

0.1 %

Schottky defects is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - Solid State>TS EAMCET - 5 August 2021 Shift 1>Q 5

The fraction of the total volume occupied by the atoms in a simple cube is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - Solid State>TS EAMCET 2021 (04-Aug Shift-1)>Q 6

A compound made up of elements

A

and

B

(with a general formula

A_{x} B_{y}

), where

B

form a hcp lattice and A occupy

2 / 3^{rd}

of the tetrahedral voids. The formula of the compound is

MEDIUM

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - Solid State>TS EAMCET - 5 August 2021 Shift 2>Q 7

The number of voids in

1

mole of a compounds forming a

hcp

structure are

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 15 - Solid State>TS EAMCET 2020 (9-Sep Shift-1)>Q 8

{LiCoO}_{2}

crystallizes in a rhombohedral structure. Consider a situation where

50 %

lithium

(Li)

is extracted from the lattice. To keep the crystal electrically neutral. change in average oxidation state of

Co

is