P-Block Elements Group 13 to 18 (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 57 - 63 of 100

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Question number: 57

» 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: 58

» 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;

Choices

Choice (4) Response

a.

-1

b.

+3

c.

+7

d.

+5

Question number: 59

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

MCQ▾

Question

Which of following is planar in shape?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 60

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

MCQ▾

Question

The element having highest ionization potential is?

Choices

Choice (4) Response

a.

Hydrogen

b.

Helium

c.

Nitrogen

d.

Oxygen

Question number: 61

» 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: 62

» P-Block Elements Group 13 to 18 » Group 16 » Allotropic Forms of Sulphur

MCQ▾

Question

Water is liquid while H2S is a gas, why?

Choices

Choice (4) Response

a.

The oxygen is more electronegative than Sulphur

b.

H-S bond is weaker than H-O bond

c.

Hydrogen bonding present in H2O

d.

Both a. and c. are correct

Question number: 63

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

MCQ▾

Question

What is the formula of Marshall’s acid?

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
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