NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 161 - 168 of 1258

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Question number: 161

» D and F Block Elements » Transition Elements » Electronic Configuration

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MCQ▾

Question

Which h of the following pair of metal ions shows abnormal electronic configuration?

Choices

Choice (4) Response

a.

Cr, Cu

b.

V, Mn

c.

Fe, V

d.

Mn, Sc

Question number: 162

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

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MCQ▾

Question

The alloy used for making ignition devices such as tracer bullets?

Choices

Choice (4) Response

a.

Cinnabar

b.

Mischmetal

c.

Zincite

d.

Willemite

Question number: 163

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

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MCQ▾

Question

Zr and Hf have almost equal atomic and ionic radii because?

Choices

Choice (4) Response

a.

Zr and Hf belong to same transition series

b.

of diagonal relationship

c.

of lanthanide contraction

d.

of actinide contraction

Question number: 164

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

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MCQ▾

Question

Petigot’s salt is formed when potassium dichromate is treated with?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 165

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

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MCQ▾

Question

Which of the following lanthanide is not paramagnetic in nature?

Choices

Choice (4) Response

a.

Cerium

b.

Holmium

c.

Lutetium

d.

Terbium

Question number: 166

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

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MCQ▾

Question

What is the silver compound known as lunar caustic?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 167

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

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MCQ▾

Question

Which of the following ore does not contain silver metal?

Choices

Choice (4) Response

a.

Pyrargyrite

b.

Ruby silver

c.

German silver

d.

Argentite

Question number: 168

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

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MCQ▾

Question

Zinc readily liberates hydrogen from cold dilute , but not from cold concentrated

Why?

Choices

Choice (4) Response

a.

dilute does not contain

b.

is non covalent compound

c.

Con does not contain

d.

Question does not provide sufficient data or is vague