Question # 1

In which compound oxidation state of chlorine is +5

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NaCl

HOCl

NaClO3

NaClO2

Stronger the oxidizing agent greater is the

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Oxidation potential

Reduction potential

Redox potential

E.M.F of cell

Cell potential depends upon

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Temperature

Concentration of ions

Nature of electrolyte

All of above

That cell in which electrical energy is converted into chemical energy is called

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Galvanic cell

Electrolytic cell

Fuel cell

Daniel cell

The oxidation number of C in C12H22O11 is

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Zero

- 6

+ 6

12

The gain of electron is known as.

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Oxidation

Reduction

Dehydration

Dehydrogenation

In the reaction 2Fe+3Cl2 ------------ FeCl2

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Fe is reduced

Fe is oxidized

Cl2 is oxidized

None of these happens

In NICAD dry cell, the cathode and anode is made up of.

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Ca and Ag

Ni and CdO2

NiO2 and Cd

Ag and Ag2O

The cathodic reaction in the electrolysis of dil H2SO4, with pt electrode sis.

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Reduction

Oxidation

Both oxidation and reduction

Neither oxidation nor reduction

Which statements not correct about Galvanic cell.

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Anode in negatively charge

Reduction occur at anode

Cathode is positively charged

Reduction occur at cathode

Fuel cells are mostly used in space air crafts as the source of.

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Power only

Drinking water

Drinking water and power

Fuel and drinking water

When an atom reacts chemically and loses one or more electrons it is.

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Decomposed

Reduced

Oxidized

Catalyzed

Which has greater reduction potential

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Na

H2

Zn

F2

The cathodic reaction in the electrolysis of dil H2SO4 with Pt electrodes is.

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Reduction

Oxidation

Both oxidation or reduction

Neither oxidation nor raduction

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