NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 192 - 198 of 1259

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Question number: 192

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

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Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 193

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

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Question

A blue colouration is not obtained when?

Choices

Choice (4)Response

a.

copper sulphate is added to solution

b.

is added to solution

c.

anhydrous copper sulphate is dissolved in water

d.

is added to copper sulphate solution

Question number: 194

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

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Question

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

Choices

Choice (4)Response

a.

Zinc oxide.

b.

Zinc Chloride

c.

Zinc sulphate

d.

Zinc Carbonate

Question number: 195

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

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MCQ▾

Question

The maximum oxidation state exhibited by actinide ions is?

Choices

Choice (4)Response

a.

+5

b.

+6

c.

+8

d.

+7

Question number: 196

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

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Question

Name the compound of dichromate used in volcano experiment?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 197

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

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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 prevent hydrolysis

d.

To make solution more acidic

Question number: 198

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

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Question

What is the lanthanide oxide used for making coloured goggles?

Choices

Choice (4)Response

a.

Neodymium oxide

b.

Lanthanum oxide

c.

Samarium oxide

d.

Cerium oxide

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