P-Block Elements Group 13 to 18-Group 17 (NEET Chemistry): Questions 1 - 6 of 19

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Question number: 1

» P-Block Elements Group 13 to 18 » Group 17 » Introduction

MCQ▾

Question

Which of the following bond is weaker among halogens?

Choices

Choice (4) Response

a.

Cl-Cl

b.

Br-Br

c.

F-F

d.

I-I

Question number: 2

» P-Block Elements Group 13 to 18 » Group 17 » Interhalogen Compounds

MCQ▾

Question

Inter halogen compounds are more reactive than the individual halogen because?

Choices

Choice (4) Response

a.

They carry more energy

b.

They are more ionic

c.

Two halogen s are present in place of one

d.

Their bond energy is less than the bond energy of the halogen molecule

Question number: 3

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

When blue litmus is dipped into a solution of Hypochlorous acid, it first turns red and then later gets decolorized, why?

Choices

Choice (4) Response

a.

HClO is reducing agent

b.

HClO is an acid

c.

HClO is a base

d.

Both a. and c. are correct

Question number: 4

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

The oxidation number of chlorine in the final product B in the following sequence of reaction is; KClO4+H2SO4KHSO4+AB

Choices

Choice (4) Response

a.

-1

b.

+3

c.

+7

d.

+5

Question number: 5

» P-Block Elements Group 13 to 18 » Group 17 » Hydrogen Halides

MCQ▾

Question

HBr and HI cannot be prepared by heating bromides and iodides with concentrated H2SO4 because?

Choices

Choice (4) Response

a.

HBr and HI are weak oxidizing agent

b.

HBr and HI are strong reducing agents

c.

HBr and HI are weak reducing agent

d.

HBr and HI are strong oxidizing agents

Question number: 6

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

Which of following oxyacid of chlorine is formed on shaking chlorine water with freshly precipitated yellow oxide of mercury?

Choices

Choice (4) Response

a.

HClO4

b.

HClO3

c.

HClO2

d.

HClO

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