Question # 1

Which one of the following acids acts as oxidizing agent but never a reducing agent.

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HCIO

HCIO2

HCIO3

HCIO4

Which one is chlorous acid

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HCIO

HCIO₂

HCIO₃

HCIO₄

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

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Br₂

F₂

I₂

Cl₂

Which halogen will react spontaneously with Au to produce Au3+

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Br2

F2

I2

Cl2

Which substance is used in photography

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AgCl

AgBr

AgI

Ag3PO4

Stability of halogen molecules decreases from

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F2 to I1

Cl2 to I2

I2 to F2

I2 to Cl2

Bleaching powder may be produced by passing chlorine over

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calcium carbonate

hydrated calcium sulphate

calcium hydroxide

magnesium hydroxide

The most ionic is

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HF

HCl

HBr

HI

Chlorine heptoxide (CI₂O₇) reacts with water to form

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Hypochlorous acid

Chloric acid

Perchloric acid

Chlorine and oxygen

Which statement is correct about the given reaction.

2NaOH + Cl2 --------------- NaCl + NaCIO + H2O

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Cl is oxidized and O is reduced

Cl is reduced and O is oxidized

Cl is oxidized as well as reduced

Neither Cl nor oxygen is reduced or oxidized

What is the oxidation state of Xenon in XeOF2

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0

+2

+4

+6

Which one is perchloric acid

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HClO

HClO₃

HClO₄

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

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I2 solution

Chlorine

NaCl

KI

XeF6 n hydrolysis produces.

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XeOF2

XeOF3

XeOF4

XeF2

Hydrogen bond is the strongest between the molecules of.

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HF

HCl

HBr

HI

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

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HF

HBr

HI

HCl

Which halogen occurs naturally in a positive oxidation state

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Fluorine

Chlorine

Bromine

Iodine

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