P-Block Elements Group 13 to 18-Group 17 (NEET Chemistry): Questions 7 - 12 of 19

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Question number: 7

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

MCQ▾

Question

Euchlorine is

Choices

Choice (4) Response

a.

chlorine of europium

b.

a mixture of Cl2 and ClO2

c.

a mixture of Cl2 and Cl2O7

d.

obtained by heating per chlorate with concentrated HCl

Question number: 8

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

MCQ▾

Question

Which of the following hydrogen halide is least volatile in nature?

Choices

Choice (4) Response

a.

HF

b.

HCl

c.

HI

d.

HBr

Question number: 9

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

MCQ▾

Question

When chlorine water is added to an aqueous solution of sodium halide in the presence of chloroform, a violet coloration is obtained. When more of chlorine water is added, the violet coloration disappears and solution becomes colorless. This confirms that sodium halide is?

Choices

Choice (4) Response

a.

chlorine

b.

Iodide

c.

fluoride

d.

Bromide

Question number: 10

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

MCQ▾

Question

The substance, which is solid at room temperature, forms ionic compounds and reacts with hydrogen forming a hydride, the aqueous solution of which is acidic, may be?

Choices

Choice (4) Response

a.

Br2

b.

Al

c.

Na

d.

I2

Question number: 11

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

MCQ▾

Question

Which one of the following statement is correct?

Choices

Choice (4) Response

a.

ClO2 and Cl2O are used as bleaching agents and as germicides

b.

ClO2 is the anhydride of HClO2 and HClO3

c.

I2O5 is used in the quantitative estimation of CO

d.

All a. , b. and c. are correct

Question number: 12

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

MCQ▾

Question

Which halogen that is most readily reduced is?

Choices

Choice (4) Response

a.

fluorine

b.

chlorine

c.

bromine

d.

iodine

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