NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 745 - 750 of 1259

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Question number: 745

» Chemical Bonding » Covalent Bonding » Valence Shell

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Appeared in Year: 2016

MCQ▾

Question

Which of the following pairs of ions is isoelectronic and isostructural?

Choices

Choice (4)Response

a.

b.

,

c.

,

d.

,

Question number: 746

» Atomic Structure » Shapes of S, P and D - Orbitals

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Appeared in Year: 2016

MCQ▾

Question

The hybridizations of atomic orbitals of nitrogen in , and respectively are

Choices

Choice (4)Response

a.

Sp2, sp3 and sp

b.

Sp, sp3 and sp2

c.

Sp2, sp and sp3

d.

Sp, sp2 and sp3

Question number: 747

» Coordination Compounds » Co-Ordination Compounds

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Appeared in Year: 2016

MCQ▾

Question

The correct increasing order of trans-effect of the following species is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 748

» Basic Concepts in Chemistry » Percentage Composition

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MCQ▾

Question

A partially dried clay mineral contains water. The original sample contained water and silica. The percentage of silica in the partially dried sample is nearly.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 749

» Organic Compounds with Halogens » Preparation, Properties and Reactions

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Appeared in Year: 2016

MCQ▾

Question

Which among the given molecules can exhibit tautomerism?

I.

Which of these exhibit tautomerism – I

Which of These Exhibit Tautomerism – I

II.

Which of these exhibit tautomerism – II

Which of These Exhibit Tautomerism – II

III.

Which of these exhibit tautomerism – III

Which of These Exhibit Tautomerism – III

Choices

Choice (4)Response

a.

I and III

b.

I and II

c.

III only

d.

II and III

Question number: 750

» Organic Compounds with Halogens » Preparation, Properties and Reactions

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Appeared in Year: 2016

MCQ▾

Question

In pyrrole

Structure of pyrrole

Structure of Pyrrole

The electron density is maximum on

Choices

Choice (4)Response

a.

3 and 4

b.

2 and 4

c.

2 and 5

d.

2 and 3

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