NEET (National Eligibility cum Medical Entrance Test) Chemistry: Questions 191 - 197 of 1145

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Question number: 191

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Which of the following acid is used to maintain acidic medium in potassium permanganate?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 192

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

In permanganate ion, the manganese undergoes which of the following hybridization?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 193

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

A blue colouration is not obtained when?

Choices

Choice (4) Response

a.

anhydrous copper sulphate is dissolved in water

b.

Equation is added to copper sulphate solution

c.

copper sulphate is added to Equation solution

d.

Equation is added to Equation solution

Question number: 194

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Zinc becomes dull in moist air, due to the formation of which compound?

Choices

Choice (4) Response

a.

Zinc Carbonate

b.

Zinc Chloride

c.

Zinc sulphate

d.

Zinc oxide.

Question number: 195

» D and F Block Elements » Inner Transition Elements » Actinides

MCQ▾

Question

The maximum oxidation state exhibited by actinide ions is?

Choices

Choice (4) Response

a.

+7

b.

+8

c.

+5

d.

+6

Question number: 196

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Name the compound of dichromate used in volcano experiment?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 197

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

A little acid is always added in the preparation of aqueous ferrous sulphate solution, why?

Choices

Choice (4) Response

a.

To reach neutralization

b.

To catalyze the hydrolysis

c.

To make solution more acidic

d.

To prevent hydrolysis

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