Question # 1

The anhydride of HCIO₄is

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CIO

CIO₂

CIO₃

CI₂O₇

Which one of the following noble gases is least polarizable

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He

Ne

Ar

Kr

Which one of halogens is a liquid

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F₂

Cl₂

Br₂

I₂

Which acid can not be stored in glass bottles.

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HCl

HF

H2SO4

HNO3

Which is the strongest acid

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HCIO

HCIO₂

HCIO₃

HCIO₄

The most ionic is

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HF

HCl

HBr

HI

Stability of halogen molecules decreases from

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F2 to I1

Cl2 to I2

I2 to F2

I2 to Cl2

The gas used in bactericidal lamps is

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Be

Ar

Kr

Xe

Chlorine heptoxide (CI₂O₇) reacts with water to form

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Hypochlorous acid

Chloric acid

Perchloric acid

Chlorine and oxygen

Which halogen will react spontaneously with Au to produce Au3+

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Br2

F2

I2

Cl2

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

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HF

HBr

HI

HCl

Colour of which halogen is not correctly related.

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F2 --- colourless gas

Cl2---- greenish yellow gas

Br2----- Reddish brown liquid

I2-------- grayish Black solid

Which one is perchloric acid

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HClO

HClO₃

HClO₄

Which element form maximum compounds with Xenon

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F

Cl

Br

I

Hydrogen bond is the strongest between the molecules of

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HF

HCl

HBr

HI

Refrigeration capacity of liquid neon is greater than liquid helium by

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80 times

50 times

40 times

10 times

Which one is chlorous acid

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HCIO

HCIO₂

HCIO₃

HCIO₄

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