Question # 1

Corrosion proof parts of machinery are prepared from

Choose an answer

Iron

Copper

Plastic

Teflon

Noble gases in the atmosphere are

Choose an answer

4%

3%

2%

1%

Radioactive element in halogens is

Choose an answer

Astatine

bromine

Iodine

Fluorine

Second most element in the universe is

Choose an answer

He

Ne

Ar

Kr

Molecule of halogens exist as

Choose an answer

Monatomic

Diatomic

Triatomi

Polyatomic

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

Choose an answer

HF

HBr

Hl

HCl

An element that has a high ionization energy and tends to be chemically inactive would most likely to be

Choose an answer

an alkali metal

a transition element

a noble gas

a halogen

Which is present as a result of radioactive decay on earth?

Choose an answer

He

Ne

Ar

Kr

Bleaching powder is prepared by the reaction of Cl₂with.

Choose an answer

Lime stone

Lime water

slaked lime

Lime

Which is used in bacterial lamps

Choose an answer

He

Ne

Ar

Kr

Which noble gas is used in mixture used for breathing by divers?

Choose an answer

Cl₂

NH₃

CO₂

He

Nobel gases are placed group:

Choose an answer

Group IV-A

Group V-A

Group VI-A

Group VII-A

Halogens are called.

Choose an answer

salt former

Light bearing

copper forming

None of these

The most reactive elements are

Choose an answer

Group IV-A

Group V-A

Group VI-A

Group VII-A

Which is used as cooling medium in nuclear reactors?

Choose an answer

He

Ne

Ar

Kr

Angle is OF₂is

Choose an answer

120⁰

180⁰

105⁰

102⁰

Astatine belongs to group:

Choose an answer

I-A

II-A

III-A

VII-A

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

Choose an answer

HF

HBr

HI

HCl

Hydrogen bond is the strongest between the molecules of:

Choose an answer

HF

HCl

HBr

Hl

Bleaching powder may be produced by passing chlorine over

Choose an answer

Calcium carbonate

Hydrated calcium sulphate

Anhydrous calcium sulphate

Calcium hydroxide

Smell of halogens is:

Choose an answer

Fruity

Sweet

Irritating

Rotten egg

Perchloric acid can be stored in solution form

Choose an answer

47%

57%

67%

77%

Half life period of astatine is

Choose an answer

8.1 hrs

8.2 Hrs

8.3 hrs

8.4 hrs

Colour of fluorine gas is

Choose an answer

Pale yellow

Greenish yellow

Red brown

greyish black

Chlorin heptoxide reacts with water to form:

Choose an answer

Hypochlorous acid

Chloric acid

Perchloric acid

Chlorine and oxygen

Smell of halogen is

Choose an answer

Fruity

Sweet

Irritating

Rotten egg

I₂O₅is used for quantitative study of

Choose an answer

CO₂

NO₂

NO

CO

Which has the least oxidizing power?

Choose an answer

F₂

Cl₂

Br₂

I₂

Which halogen will react spontaneously with Au(s)to produce Au3++

Choose an answer

Br2

F2

I2

Cl2

The strongest hydrogen bond is in

Choose an answer

HF

HCl

HBr

Hl

More Classes

Other Links

ECAT Chemistry Chapter 16 The Halogens and The Noble Gases Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer