Electrochemistry And Nuclear Chemistry. Quiz Competition

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For B. Sc. III Sem VI ( Unit VI ). Students of Chemistry. ( As per SGBAU Amravati Syllabus. ). Conducted by:- Department of Chemistry , Gopikabai Sitaram Gawande Mahavidyalaya Umarkhed District Yavatmal 445206. Maharashtra. Prof; S. B. Waghmare.

Full Name of the student *

Name of the college/University/Institute *

Qualification *

Mobile Number *

Hydrogen electrode can not be used over entire pH range. *

2 points

Hydrogen electrode can not be used in the presence of oxidizing and reducing agents. *

2 points

Quinhydrone electrode gives accurate results in presence of oxidizing ions. *

2 points

Quinhydrone is a ................ molecular compound of Quinone and hydroquinone. *

2 points

1 : 2

1 : 3

1 : 1

1 : 4

From following electrodes which is known as secondary reference electrode. *

2 points

Hydrogen electrode

Calomel electrode

Glass electrode

Quinhydrone electrode

In Glass electrode , the glass bulb is filled with ............. M HCl. *

2 points

0.1

0.2

0.3

0.4

A cell in which emf is generated as a result of difference in concentration is known as...... *

2 points

Electrolytic cell

Conductivity cell

Concentration cell

None of the above

Potentiometric titrations can be used for........ *

2 points

Coloured solutions

Solutions in which precipitation occurs during the titrations

For a mixture of two acids

All the above

Nuclear energy is a carbon free energy. *

2 points

.................. Number of Protons or Neutrons were called as magic' numbers. *

2 points

2,10,18,36,54,86

2,8,20,50,82,126

4,8,20,52,82,126

3,11,19,37,55,87

According to Shell model , Which of the following is correct......
1) Each nucleon moves in its own orbit which is determined by the nuclear potential.
2) Nucleons are distributed in a series of discrete energy levels.
3)As the capacity of each orbit is reached , a closed shell is formed.
4)A Proton forms a pair with neutron and a neutron form a pair with proton.
5) this model is mainly applicabal in the excited state of nucleus. *

2 points

1,2 and 4

1,2 and 5

1,4 and 5

1,2 and 3

Shell model gives theoretically correct values of..... *

2 points

Magnetic moment

Dipole moment

Binding energy

Quantum numbers

According to the Liquid drop model , nucleus is a homogeneous entity consisting of certain number of Protons and neutrons but Nucleons can not interacts with their neighbouring Nucleons. *

2 points

According to the liquid drop model , the nuclear forces are independent of charge and spin of the nucleons. *

2 points

The nuclear reaction in which energy is liberated is known as..... *

2 points

Exothermic reaction

Exoergic reaction

Endoergic reaction

Endothermic reaction

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