Question # 1

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

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

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An alkali metal

A transition element

A noble gas

A halogen

Which raw material is used for preparation of bleaching powder.

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Cl2 and H2O

Cl2 and Lime

Cl2 and HOCl

HCl and Lime

Which one of the following noble gases is least polarizable

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He

Ne

Ar

Kr

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

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Br₂

F₂

I₂

Cl₂

Which one is perchloric acid

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HClO

HClO₃

HClO₄

Which gas has highest boiling points.

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He

Ne

Ar

Kr

The chemical formula of Sodium Bromite is.

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NaBrO

NaBrO2

NaBrO3

NaBrO4

Which is the strongest acid

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HCIO

HCIO₂

HCIO₃

HCIO₄

The anhydride of HCIO₄is

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CIO

CIO₂

CIO₃

CI₂O₇

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

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Br₂

F₂

I₂

Cl₂

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

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I2 solution

Chlorine

NaCl

KI

In fluorescent tube, the gas filled is.

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He

Ne

Ar

Xe

Which one of halogens is a liquid

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F₂

Cl₂

Br₂

I₂

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

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

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Their outer shell is complete

Most of them are colourless

They all are oxidizing agent

They all are gases at room temperature

Which one of the following gases exist in monoatomic form.

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Ozone

Nitrogen

Krypton

Phosphine

Chlorine heptoxide reacts with water to form

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Hypochlorous acid

Chloric acid

Perchloric acid

Chlorine and oxygen

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Chemistry Fsc Part 2 Chapter 5 Online Test MCQs With Answers

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