NEET Chemistry: Questions 162 - 168 of 677

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Question number: 162

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

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Zincite

b.

Mischmetal

c.

Willemite

d.

Cinnabar

Question number: 163

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

MCQ▾

Question

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

Choices

Choice (4) Response
a.

of lanthanide contraction

b.

of diagonal relationship

c.

Zr and Hf belong to same transition series

d.

of actinide contraction

Question number: 164

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

MCQ▾

Question

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

Choices

Choice (4) Response
a.

HCl

b.

K2CO3

c.

H2SO4

d.

NH4Cl

Question number: 165

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

MCQ▾

Question

Which of the following lanthanide is not paramagnetic in nature?

Choices

Choice (4) Response
a.

Cerium

b.

Lutetium

c.

Holmium

d.

Terbium

Question number: 166

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

MCQ▾

Question

What is the silver compound known as lunar caustic?

Choices

Choice (4) Response
a.

AgCl

b.

AgSO4

c.

AgBr

d.

AgNO3

Question number: 167

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

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

MCQ▾

Question

Zinc readily liberates hydrogen from cold dilute H2SO4 , but not from cold concentrated H2SO4

Why?

Choices

Choice (4) Response
a.

dilute H2SO4 does not contain H3O+

b.

H2SO4 is non covalent compound

c.

Con H2SO4 does not contain H3O+

d. All of the above

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