KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Chemistry: Questions 14 - 20 of 133

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Question number: 14

» Atomic Structure » Rules for Filling Electrons in Orbitals

Appeared in Year: 2015

MCQ▾

Question

The number of electrons required to reduce chromium completely in − to in acidic medium is

Choices

Choice (4) Response

a.

2

b.

3

c.

5

d.

6

Question number: 15

» Atomic Structure » Electronic Configuration of Elements

MCQ▾

Question

Find out the ground-state electronic configuration of

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 16

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

Appeared in Year: 2014

MCQ▾

Question

In acting as a reducing agent, a piece of metal M weighing 23 grams gives up electrons. What is the equivalent weight of the metal?

Choices

Choice (4) Response

a.

36.50

b.

30

c.

82.60

d.

32.60

Question number: 17

» Purification & Characteristics of Organic Compounds » Purification » Sublimation

Appeared in Year: 2009

MCQ▾

Question

A mixture of and can be separated by

Choices

Choice (4) Response

a.

Distillation

b.

Filtration

c.

Sublimation

d.

Decantation

Question number: 18

» Hydrocarbons » Alkanes » Mechanism of Halogenation of Alkanes

Appeared in Year: 2015

MCQ▾

Question

Reaction of 2-butene with acidic gives

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 19

» Atomic Structure » Rules for Filling Electrons in Orbitals

Appeared in Year: 2010

MCQ▾

Question

Among 3, 3, 2 and 2he compound that does not satisfy the octet rule is –

Choices

Choice (4) Response

a.

3

b.

2

c.

2

d.

3

Question number: 20

» Atomic Structure » Quantum Mechanical Model of Atom

Appeared in Year: 2011

MCQ▾

Question

The set of principal (n), azimuthal (l) and magnetic (ml) quantum numbers that is not allowed for the electron in H-atom is

Choices

Choice (4) Response

a.

n = 3, l = 1, ml = –1

b.

n = 2, l = 1, ml = 0

c.

n = 3, l = 0, ml = 0

d.

n = 2, l = 2, ml = –1

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