NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 189 - 195 of 1258

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Question number: 189

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

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Question

Bordeaux mixture is used as a fungicide. Its composition is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 190

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

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Question

Fe +2 is less stable than Fe +3 why?

Choices

Choice (4) Response

a.

Due to iron (II) is unsymmetrical in nature

b.

Iron (II) has four singly occupied orbitals

c.

Iron (II) has one orbital doubly occupied

d.

Due to all the above reasons

Question number: 191

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

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Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

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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Question

The maximum oxidation state exhibited by actinide ions is?

Choices

Choice (4) Response

a.

+5

b.

+6

c.

+8

d.

+7