AIIMS (All India Institute of Medical Sciences) Chemistry: Questions 118 - 123 of 123

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Question number: 118

» Chemical Bonding » Covalent Bonding » Electron Pair Repulsion (VSEPR) Theory

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MCQ▾

Question

The enolic form of acetone contains σ bond (a), π bond (b) lone pairs (c) -

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 119

» Basic Concepts in Chemistry » Concept of Atom, Molecule, Element and Compound

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MCQ▾

Question

An atom of an element weighs gm Calculate g atoms of element in

Choices

Choice (4)Response

a.

b.

c.

d.

gm atom

Question number: 120

» Chemical Bonding » Molecular Orbital Theory » Hydrogen Bonding

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MCQ▾

Question

In following hydrocarbon which one has character and character -

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 121

» Chemical Bonding » Molecular Orbital Theory » Bond Order

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MCQ▾

Question

N2 and O2 are converted into monoanions and respectively, which of the following statements are correct

(1) In , the bond weakens

(2) In , bond length increases

(3) becomes paramagnetic

(4) In , the bond order increases

Choices

Choice (4)Response

a.

2 and 4 are correct

b.

1,2 and 3 are correct

c.

1 and 3 are correct

d.

1 and 2 are correct

Question number: 122

» States of Matter » Solid State » Amorphous and Crystalline Solids

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MCQ▾

Question

The crystal system of a compound with unit cell dimension and and and is

Choices

Choice (4)Response

a.

Cubic

b.

Hexagonal

c.

Rhombohedral

d.

Orthorhombic

Question number: 123

» States of Matter » Solid State » Classification of Solids

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MCQ▾

Question

The existence of a substance in more than one solid modification is known as

Choices

Choice (4)Response

a.

Allotropy

b.

Isomorphism

c.

Enantiomorphism

d.

Polymorphism

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