Free Printable inorganic quiz

1.

the solubility of suphates of 2nd group in water is due to

a)

decreased lattice energy

b)

increase in mp

c)

increase in molecular weight

d)

high heat of solvation for smaller ions

2.

write the elements in increasing mobility in aqueous solution for alkali metals(write only symbols withoit charge and all in small letters having single space between each element)

(a)

3.

in which of followijg is hydradtion energy higher than lattice energy

a)

srso4

b)

baso4

c)

mgso4

d)

raso4

4.

which of following is a peroxide

a)

ko2

b)

bao2

c)

mno2

d)

no2

5.

which has lowest melting point

a)

caf2

b)

cacl2

c)

cabr2

d)

cai2

6.

on heating which of following will release co2 most easily

a)

mgco3

b)

caco3

c)

k2co3

d)

na2co3

7.

which of the following is incorrect for beryllium

a)

it forms be2c

b)

it is passive with nitric acid

c)

its salts rarely hydrolyze

d)

its hydride are electron deficient and polymeric

8.

the suspension of slaked lime in water is called as

(a)

9.

which is lighter element

a)

sodium

b)

potassium

c)

rubidium

d)

cesium

10.

which first group elements are used as electrodes in photoelectric cells(write complete name)

(a)

11.

which of the following element shows violet flame colour

a)

lithium

b)

sodium

c)

potassium

d)

beryllium

12.

which element directly reacts with nitrogen

a)

sodium

b)

potassium

c)

lithium

d)

rubidium

13.

why lithium halides are covalent

a)

due to high electrode potential

b)

due to high polarizing capability of lithium ion

c)

due to its reducing nature

14.

why solution of alkali metal in liquid ammonia is blue

(a)

15.

which 1st group element is used in making electrochemical cells

(a)

16.

why csi has lower solubility

(a)

17.

which of following is not stable to heat

a)

naco3

b)

lico3

c)

kco3

d)

csco3

18.

process by which sodium carbonate is formed

(a)

19.

which cell is used for formation of naoh

(a)

20.

formula of baking soda

(a)

21.

flame colour of calcium

a)

crimson

b)

brick red

c)

apple green

d)

violet

22.

best route for the formation of bef2 is by

a)

bef4

b)

(nh4) 2bef4

c)

nh4+bef4-

d)

nh3bef4

23.

what is plaster of paris

a)

caso4. 2h2o

b)

caso4. 1.5h2o

c)

caso4. 1h2o

d)

2(caso4).h20

24.

what is the main component of cement

a)

silica

b)

clay

c)

alumina

d)

feroous oxide

25.

which of following oxide is most acidic

a)

mgo

b)

beo

c)

cao

d)

bao

26.

which has ability to release bromine from kbr

a)

i2

b)

br2

c)

f2

d)

so2

27.

least volatile halide

a)

hf

b)

hcl

c)

hbr

d)

hi

28.

which group element forms electron deficient species

a)

14

b)

15

c)

16

d)

13

29.

in which of following all bonds are equal

a)

clf3

b)

bf3

c)

alf3

d)

nf3

30.

al2o3 can be converted ro alcl3 by heating

a)

al2o3 with hcl gas

b)

al2o3 with nacl in solid state

c)

a mixture of al2o3 and carbon in dry cl2 gas

d)

al2o3 with cl2 gas

31.

no of bridging atoms in p4o10

a)

3

b)

5

c)

6

d)

2

32.

choose all amphoteric compunds

a)

sio2

b)

sno2

c)

co2

d)

pbo2

33.

a mixture of potassium chlorate, oxalic acid and sulphuric acid are heated. which of following undergo maximum change in oxidation number

a)

cl

b)

c

c)

s

d)

H

34.

xef2 is isostructural with

a)

icl2-

b)

sbcl3

c)

bacl2

d)

tef2

35.

the basic structural unit of silicates

a)

sio4 4-

b)

sio3 2-

c)

sio4 2-

d)

sio-

36.

which of following is similar to graphite

a)

B

b)

B4C

c)

B2H6

d)

BN

37.

which of the following is most stable in +1 oxidation state

a)

Ti

b)

In

c)

Ga

d)

Al

38.

it is because of inability of ns2 electrons to participate in bonding that

a)

sn+2 is reducing while pb+4 is oxdizing

b)

both are reducing

c)

both are oxidizing

d)

sn+2 is oxidizing and pb+4 is reducing

39.

which of the following is unable to form hexaflorate ions

a)

gallium

b)

aluminium

c)

indium

d)

boron

40.

which of tue following is smalles in size

a)

indium

b)

gallium

c)

aluminium

d)

thallium

41.

which of following has maximum melting point

a)

alumimium

b)

gallium

c)

indium

d)

thallium

42.

maximum covalency of boron

a)

1

b)

2

c)

3

d)

4

43.

colour of co(bo2) 2

a)

red

b)

green

c)

blue

d)

yellow

44.

what is b3n3h6 is called as

a)

inorganic graphite

b)

inorganic phenol

c)

inorganic benzen

d)

inorganic cresol

45.

which of two have almost same electronegativity

a)

carbom

b)

silicon

c)

lead

d)

aluminium

46.

which of following is maximum stable

a)

gex

b)

gex2

c)

gex3

d)

gex4

47.

which of following is called as producer gas

a)

co+h2

b)

co+h2o

c)

co+n2

d)

co+n2o

48.

quartz are used as

a)

pyroelectric substance

b)

piezoelectric substance

c)

mechanoelectric substance

d)

hydroelectric substance

49.

which of following is strongest single bond

a)

NN

b)

PP

c)

AS AS

d)

SB SB

50.

which of following has least boiling point

a)

nh3

b)

ash3

c)

ph3

d)

sbh3

51.

which of following is mild reducing agent

a)

nh3

b)

ph3

c)

ash3

d)

sbh3

52.

which of the following is stable

a)

nf3

b)

pf3

c)

asf3

d)

sbf3

53.

pure nitrogen is obtained from

a)

ammonium chromate decomposition

b)

reaction of ammonium chloride with sodium nitrate

c)

distillation

d)

decomposition of barium azide

54.

colour of copper tetra ammonium complex

a)

red

b)

blue

c)

colourless

d)

white

55.

which of following is blue solid

a)

no

b)

no2

c)

n2o3

d)

n2o5

56.

which of the following undergoes dimerization

a)

no

b)

n2o4

c)

no2

d)

n2o3

57.

which of following does not react with hno3( choose all)

a)

cu

b)

al

c)

pb

d)

cr

58.

which of tue following shows chemiluminiscence

a)

red phosphorus

b)

alpha black phosphoru

c)

white phosphorus

d)

beta black phosphorus

59.

which of following is used in holme signal

a)

p2h6

b)

ph3

c)

h3po4

d)

h3po2

60.

which of the following has pop bond

a)

h3po3

b)

h3po4

c)

h4p2o7

d)

h3po2

61.

which of following doesnot have reducing property

a)

h2o

b)

h2s

c)

h2se

d)

h2te

62.

choose all neutral oxides

a)

so2

b)

co

c)

cao

d)

no

e)

n2o

63.

whicj of following is stable above 369k

a)

alpha sulphr

b)

monoclinic sulphue

c)

rhombic sulphur

d)

S2

64.

which of following has peroxide bond

a)

h2s2o7

b)

h2p2o5

c)

h2s2o8

d)

h2so4

65.

which of the following is used for charring of sugar

a)

hno3

b)

h3po4

c)

h2so4

d)

hcl

66.

which of following is greenish yellow in colour

a)

f2

b)

cl2

c)

br2

d)

i2

67.

which of the following has shortest bond length

a)

hf

b)

hcl

c)

hbr

d)

hi

68.

which of the following is very good oxidizing agent

a)

i2o4

b)

i2o5

c)

i2o7

d)

i2o6

69.

deacon process is used for preparation of

a)

hcl

b)

cl2

c)

mncl2

d)

kmno4

70.

tear gas ans mustard gas are formes from

a)

hcl

b)

h2so4

c)

cl2

d)

br2

71.

in which of the following florine exhibits positive oxidation state

a)

hf

b)

hof

c)

bf3

d)

clf

72.

which of the following forms dimer

a)

i2cl6

b)

icl3

c)

brcl3

d)

clf

73.

which of the following has unusual proprrty of diffusion im objects

a)

xenon

b)

krypton

c)

helium

d)

argom

74.

which of following is stable in+4 oxidation state

a)

uranium

b)

plutonium

c)

cerium

d)

thorium

75.

which of following is an alloy

a)

lanthanoids

b)

mischmetal

c)

thorium with iron

d)

irom with uranium

76.

what us the colour of mno4 2-

a)

purple

b)

red

c)

green

d)

yellow

77.

geometry of permangante ion

a)

square planar

b)

tetrahedral

c)

pyramidal

d)

linear

78.

which of following is most soluble

a)

sodium dichromate

b)

potassium dichromate

c)

potasium permanganate

79.

maximum oxidation state shown by osmium

a)

+7

b)

+6

c)

+8

d)

+5

80.

which of the followinig is diamagnetic(at. no. ce=58,sm=62,eu=63 and yb=70)

a)

sm+2

b)

eu+2

c)

yb+2

d)

ce+2

81.

which of following exhibits only+3 oxidation state

a)

U

b)

Th

c)

Ac

d)

Pa

82.

which of the following pair has same size

a)

fe+2 and ni+2

b)

zr+4 and ti+4

c)

zr+4 and hf+4

d)

zn+2 and hf+4

83.

which is the most commin oxidation stste in lanthanoids

a)

2

b)

3

c)

4

d)

5

84.

which of the following shows dd transition and paramagnetism

a)

cr04 2-

b)

cr2o7 2-

c)

mno4 2-

d)

mno4 -

85.

reason of lanthanoid contraction is

a)

negligible screening effect of f orbital

b)

increase nuclear charge

c)

decrease nuclear charge

d)

decrease screening effect

86.

reaction of aqueous kmno4 with h2o2 in acidic medium gives

a)

mn+2 and o2

b)

mn+4 and o2

c)

mn+2 and o3

d)

mn+4 and mno2

87.

mangetic moment 2.83 BM is shown by which of following

a)

ti+3

b)

ni+2

c)

cr+3

d)

mn+2

88.

number of moles of mno4- required to oxidize one mole of ferrous oxalate in acidic medium is

a)

0.2 moles

b)

0.6 moles

c)

0.4 moles

d)

7.5 moles

89.

which of following is most stable in aqueous solution

a)

mn+2

b)

cr+3

c)

v+3

d)

ti+3

90.

maximum oxidation state shown by mangnese

a)

6

b)

5

c)

7

d)

8

inorganic quiz

Total questions: 90

Worksheet time: 1hrs 1mins

Similar Resources on Wayground