2nd Year Chemistry Online MCQ Test for Chapter 5 The Halogens and the Noble Gases Preparation

MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 5 Online Test"

Try The MCQ's Test For Chapter 0 "Chemistry Fsc Part 2 Chapter 5 Online Test"

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Chemistry Fsc Part 2 Chapter 5 Online Test

00:00
Question # 1

The anhydride of HCIO4is

Question # 2

Bromine can be liberated from KBr solution by the action of.

Question # 3

Which of the following hydrogen halide is the weakest acid in solution.

Question # 4

Which raw material is used for preparation of bleaching powder.

Question # 5

Which is the second most abundant element in the universe

Question # 6

XeF6 n hydrolysis produces.

Question # 7

Which one of the following has highest melting and boiling points.

Question # 8

Which one of the following is not use of chlorine.

Question # 9

Stability of halogen molecules decreases from

Question # 10

The anhydride of HCIO4is

Question # 11

The halogens ae best described by which of the following statements.

Question # 12

Which statement is correct about the given reaction.
2NaOH + Cl2 --------------- NaCl + NaCIO + H2O

Question # 13

Hydrogen bond is the strongest between the molecules of.

Question # 14

Which is the strongest acid

Question # 15

Which substance is used in photography

Question # 16

What is the oxidation state of Xenon in XeOF2

Question # 17

Iodine deficiency in diet is known to cause.

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5th Chapter

FSC Part 2 Chemistry Chapter 5 Online Test MCQ's

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FSc Part II Chemistry Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which statement is correct about the given reaction.
2NaOH + Cl2 --------------- NaCl + NaCIO + H2O
A. Cl is oxidized and O is reduced
B. Cl is reduced and O is oxidized
C. Cl is oxidized as well as reduced
D. Neither Cl nor oxygen is reduced or oxidized
2 Chlorine heptoxide reacts with water to form
A. Hypochlorous acid
B. Chloric acid
C. Perchloric acid
D. Chlorine and oxygen
3 Which noble gas is used in radiotherapy
A. Neon
B. Argon
C. Krypta
D. Radon
4 An element that has a high ionization energy and tends to be chemically inactive would most likely to be
A. An alkali metal
B. A transition element
C. A noble gas
D. A halogen
5 Which one of the following noble gases is least polarizable
A. He
B. Ne
C. Ar
D. Kr
6 The gas used in bactericidal lamps is
A. Be
B. Ar
C. Kr
D. Xe
7 Which one of the following uses is not correctly related with the halogen.
A. fluorine -------- Teflon
B. Chlorine ---------Bleaching powder
C. Bromine ---------------PVC plastics
D. Iodine -----------Iodex
8 Bleaching powder may be produced by passing chlorine over
A. calcium carbonate
B. hydrated calcium sulphate
C. calcium hydroxide
D. magnesium hydroxide
9 ___________ is use as a cooling medium for nuclear reactors
A. Ne
B. He
C. Ar
D. Kr
10 The anhydride of HCIO4 is
A. CIO3
B. CIO2
C. Cl2O5
D. Cl2O7

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