Match the following: i Ge doped with In 1 . n-type semiconductor ii Si doped with N 2 . Schottky defect iii ZnS 3 . p-type semiconductor iv CsCl 4 . Frenkel defect

i − 3 , ii − 1 , iii − 4 , iv − 2

i − 1 , ii − 3 , iii − 2 , iv − 4

i − 1 , ii − 3 , iii − 4 , iv − 2

i − 3 , ii − 1 , iii − 2 , iv − 4

Match List - I with List - II: List-I (Property) List-II (Example) (a) Diamagnetism (i) MnO (b) Ferrimagnetism (ii) O 2 (c) Paramagnetism (iii) NaCl (d) Antiferromagnetism (iv) Fe 3 O 4 Choose the most appropriate answer from the options given below:

( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( iv ) , ( b ) - ( ii ) , ( c ) - ( i ) , ( d ) - ( iii )

( a ) - ( ii ) , ( b ) - ( i ) , ( c ) - ( iii ) , ( d ) - ( iv )

( a ) - ( i ) , ( b ) - ( iii ) , ( c ) - ( iv ) , ( d ) - ( ii )

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Antiferromagnetic property is given as

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Important Questions on Solid state

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Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

The one that is extensively used as a piezoelectric material is:

MEDIUM

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Which of the following oxides shows electrical properties like metals?

HARD

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Match the following:

$i$	$Ge$ doped with $In$	$1 .$	n-type semiconductor
$ii$	$Si$ doped with $N$	$2 .$	Schottky defect
$iii$	$ZnS$	$3 .$	p-type semiconductor
$iv$	$CsCl$	$4 .$	Frenkel defect

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Explain the following :

Ferromagnetism

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Which of the following arrangements shows the schematic alignment of magnetic moments of antiferromagnetic substance?

MEDIUM

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

What are paramagnetism and ferromagnetism ? What type of substances would make better permanent magnets - ferromagnetic or ferrimagnetic ?

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Silicon doped with Arsenic is

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

What is meant by ferrimagnetism? Give any two examples.

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

‘

X

’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state.

X

is:

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Find the non-semiconductor element among the following.

MEDIUM

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Explain the following :

Paramagnetism.

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

A common observation seen in

{Fe}_{3} O_{4}

is that it is ferrimagnetic at room temperature but at

850 K

it becomes

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Fe, Co, Ni

are which type of magnetic substance?

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Fe, Co

and

Ni

are

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Which of the following ion is paramagnetic?

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Define the following with suitable examples: Antiferromagnetism.

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field because,

EASY

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Silicon doped with gallium forms

MEDIUM

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Match List - I with List - II:

List-I (Property)		List-II (Example)
(a)	Diamagnetism	(i)	$MnO$
(b)	Ferrimagnetism	(ii)	$O_{2}$
(c)	Paramagnetism	(iii)	$NaCl$
(d)	Antiferromagnetism	(iv)	${Fe}_{3} O_{4}$

Choose the most appropriate answer from the options given below:

MEDIUM

Chemistry>Physical Chemistry>Solid state>Magnetic Properties of Solid

Which one of the following species responds to an external magnetic field?

Antiferromagnetic property is given as

Important Questions on Solid state

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