Question # 1

The value of equilibrium constant (Kc) depends only on:

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temperature

Pressure

concentration

density

The reaction goes from left to right , if:

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Qc = Kc

Qc > kc

Qc<Kc

Qc = 0

Equilibrium constant value "K" is equal to:

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Kt / Kr

Ki / Kr

Kc / Qc

Qc /Kc

Guldberg and waage put forward law of mass action in:

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1860

1869

1870

1879

Which gas is used to prepare ammonia?

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N₂

O₂

Cl₂

S

Equilibrium constant has no unit when number of moles of reactants and products are:

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same

Different

Both a and b

None of these

In irreversible reaction, dynamic equilibrium:

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Never establishes

Establishes before the completion of reaction

Establishes after the completion of reaction

Establishes readily

Which chemical is called king of chemicals?

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KNO₃

H₂SO₄

HCl

NHO₃

In a chemical reaction, the substance that combine are called.

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Reactant

Products

Mass

Material

The forward reaction takes place:

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Right to left

Left to Right

Only to right

Only to left

Which type of reactions do not go to completion?

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Irreversible reaction

Reversible reactions

Addition reactions

Decomposition reactions

The reactions in which products can recombine to form reactants is called.

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Irreversible reactions

Reversible reactions

Direct reactions

Indirect reactions

The color of Iodine is:

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Purple

Black

Red

Pink

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