Basic Concepts in Chemistry-Empirical and Molecular Formulae (KVPY Stream-SA (Class 11) Chemistry): Questions 1 - 3 of 3

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Question number: 1

» 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 4.25×1023 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: 2

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

Appeared in Year: 2012

MCQ▾

Question

The value of ‘x’ in KAl (SO4) x. 12H2O is:

Choices

Choice (4) Response

a.

1

b.

3

c.

2

d.

4

Question number: 3

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

Appeared in Year: 2014

MCQ▾

Question

What is the equivalent weight of HNO3 in the following reaction?

HNO3+H2SH2O+NO+S

Choices

Choice (4) Response

a.

33

b.

21

c.

11.5

d.

Question does not provide sufficient data or is vague

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