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NEET Chemistry MCQ
Halogen Family Mcq Neet Chemistry
Quiz 4
Solution
Q.1.
Chlorine gas is dried over [ CPMT 1980]
20%
a) CaO
20%
b) NaOH
0%
c) KOH
60%
d) Con H2SO4
Q.2.
A 500gm toothpaste sample has 0.2gm fluoride concentration. What is the concentration of F- ions in terms of ppm level [ AIIMS 1992]
40%
a) 250
20%
b) 200
40%
c) 400
0%
d) 1000
Q.3.
Chlorine gas is dried over [ CPMT 1980]
0%
a) CaO
0%
b) NaOH
40%
c) KOH
60%
d) Con H2SO4
Q.4.
Which halogen is most electropositive [ MP PMT 1988]
0%
a) F
20%
b) Cl
20%
c) Br
60%
d) I
Q.5.
Hydrogen fluoride is a liquid unlike other hydrogen halides because [ MP PMT 1990]
0%
a) Fluorine atom is smaller in size
20%
b) HF is the weakest acid
0%
c) Fluorine is highly reactive
80%
d) HF molecules form intermolecular H-bonds
Q.6.
Elements of which of the following groups will form anions most readily? [ CBSE PMT 1992]
0%
a) Oxygen family
20%
b) Nitrogen family
60%
c) Halogens
20%
d) Alkali metals
Q.7.
Which of the following is a pseudohalide? [ AIIMS 1980]
17%
a) CN-
17%
b) ICl
33%
c) IF5
33%
d) I3-
Q.8.
A ga reacts with CaO but not with NaHCOthe gas is .. [AFMC 1987]
40%
a) CO2
60%
b) Cl2
0%
c) N2
0%
d) O2
Q.9.
Which of the following is strongest acid [ IIT 1989]
40%
a) ClO3(OH)
20%
b) ClO2(OH)
20%
c) SO(OH)2
20%
d) SO2(OH)2
Q.10.
The correct increasing order of ionic size is .. [ IIT 1991]
50%
a) Mg2+ < Na+ < F- < O2- < N3-
0%
b) Na+ < Mg2+ < F- < O2+ < N3-
25%
c) N3- < O2- < F- < Na+ < Mg2+
25%
d) F- < N3- < O2- < Mg2+ < Na+
Q.11.
Chloride acts as a bleaching agent only in presence of ... [ IIT 1983]
20%
a) Dry air
40%
b) Moisture
20%
c) Sunlight
20%
d) Pure oxygen
Q.12.
The correct increasing order of bond dissociation energy for N2, O2, F2, cl2 is [ IIT 1988]
0%
a) N2 < O2 < F2 < Cl2
75%
b) F2 < Cl2 < O2
0%
c)F2 < Cl2 < N2 < O2
25%
d) N2 < Cl2 < F2
Q.13.
Which of the following halogen oxide is ionic? [ CPMT 1989]
0%
a) ClO2
0%
b) BrO2
50%
c) I2O5
50%
d) I4O9
Q.14.
As the atomic number of Halogens increases the halogens .. [ MP PMT 1991]
0%
a) Lose their outermost electrons less readily
0%
b) Become lighter in colour
50%
c) Gain electrons less easily
50%
d) Becomes less dense
Q.15.
Hydrogen bond is strongest in [ IIT 1986]
0%
a) O - H … S
20%
b) S - H … O
40%
c) F - H … F
40%
d) F - H … O
Q.16.
Euchlorine is a mixture of .. [CPMT 1988]
20%
a) Cl2 and SO2
40%
b) Cl2 and ClO2
20%
c) Cl2 and CO
20%
d) None of these
Q.17.
Which of the following is a false statement? [ Pb CET sample paper 1990]
20%
a) Halogens are strongly oxidising agents
40%
b) Halogens shows only -1 oxidation state
20%
c) HF molecules form intermolecular hydrogn bonding
20%
d) Fluorine is highly reactive
Q.18.
Strongest hydrogen bond is shown by [ CBSE PMT 1992]
0%
a) Water
25%
b) Ammonia
25%
c) Hydrogen fluoride
50%
d) Hydrogen sulphide
Q.19.
Iodine is formed when KI reacts with a solution of [ MLNR 1984]
0%
a) ZnSO4
0%
b) CuSO4
20%
c) FeSO4
80%
d) (NH4)2SO4
Q.20.
Bromine can be liberated from potassium bromide solution by the action of .. [IIT 1987]
0%
a) Iodine solution
75%
b) Chlorine water
0%
c) Sodium chloride
25%
d) Potassium iodide
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