P-Block Elements Group 13 to 18 (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 64 - 71 of 100

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Question number: 64

» P-Block Elements Group 13 to 18 » Group 18 » Structures of Fluorides

MCQ▾

Question

Which of the following compound is cannot be formed by xenon?

Choices

Choice (4) Response

a.

XeF

b.

XeF5

c.

XeF3

d.

All a. , b. and c. are correct

Question number: 65

» P-Block Elements Group 13 to 18 » Group 18 » Noble Gases

MCQ▾

Question

Number of atoms of He in 100 amu of He are?

Choices

Choice (4) Response

a.

b.

100

c.

d.

25

Question number: 66

» 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.

b.

c.

d.

Question number: 67

» 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: 68

» 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.

b.

c.

d.

Question number: 69

» P-Block Elements Group 13 to 18 » Group 18 » Oxides of Xenon

MCQ▾

Question

Xenon hexafluoride reacts with silica to form a xenon compound X. The oxidation state of Xe in X is?

Choices

Choice (4) Response

a.

+6

b.

+2

c.

+4

d.

0

Question number: 70

» P-Block Elements Group 13 to 18 » Group 16 » Structures of Oxoacids of Sulphur

MCQ▾

Question

Sulphuric acid has high boiling point and viscosity, why?

Choices

Choice (4) Response

a.

due to conductivity

b.

due to it has more affinity for water

c.

due to hydrogen bonding

d.

None of the above

Question number: 71

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

MCQ▾

Question

What is the correct order of occurrence (%by weight) in air of Ne, Ar and Kr?

Choices

Choice (4) Response

a.

b.

c.

d.

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