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Chemistry Fun

Total questions: 10

Worksheet time: 3mins

Name
Class
Date
1.

NMR mainly concerns with

a)

Identifying no. of sets of protons

b)

Identifying no. of unpaired electrons

c)

Identifying no. of double bonds

d)

Identifying no. of single bonds

2.

Give different nuclei which can give NMR signal?

a)

H1

b)

C13

c)

P31

d)

ALL OF ABOVE

3.

During oxidation process electrons are

a)

Lost

b)

Gained

c)

Paired up

d)

Remains same

4.

What is the source in ESR spectroscopy?

a)

Hydrogen gas discharge lamp

b)

RF oscillator

c)

Klystron oscillator

d)

Nernst Filament

5.

The cell in which electrical energy is converted to chemical energy is?

a)

Galvanic cell

b)

Voltaic cell

c)

Electrolytic cell

d)

Electrochemical cell

6.

In a dry cell, the anode is made up of

a)

zinc

b)

calcium

c)

sodium

d)

graphite

7.

An electrochemical cell is also called

a)

battery cell

b)

galvanic cell

c)

cell

d)

chargeable cell

8.

Voltaic cells generate electricity by

a)

spontaneous redox reaction

b)

non spontaneous redox reaction

c)

sublimation reaction

d)

thermochemical reaction

9.

Identify the following reaction and correct match

[Fe(CN)6]4- + VO3- = [Fe(CN)6]3- + VO2+

a)

Redox reaction, Fe(Oxidant), V(Reductant)

b)

Redox reaction, Fe(Reductant), V(Oxidant)

c)

Acid-Base, Fe(Acid), V(Base)

d)

Acid-Base, Fe(Base), V(Acid)

10.

In the following, arrange in ascending order of their redox potentials in acidic medium

a)

Fe(II)>V(V)>Cr(VI)>Mn(VII)

b)

Mn(VII)>Cr(VI)>V(V)>Fe(II)

c)

Mn(VII)>Fe(II)>Cr(VI)>V(V)

d)

V(V)>Mn(VII)>Fe(II)>Cr(VI)