Question # 1

The forward reaction takes place:

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Right to left

Left to Right

Only to right

Only to left

The dynamic equilibrium in irreversible reaction.

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Never establishes

Establishes after completion of reaction

Establishes before completion of reaction

Establishes very soon

In an irreversible reaction dynamic equilibrium:

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Never establishes

Established before the completion of reaction

Establishes after the completion of reaction

Establishes readily

Such reactions which continue in both directions are called.

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Irreversible

Reversible

Nonreactive

Dynamic

The major components of Atmosphere are:

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Carbon and Nitrogen

Nitrogen and Oxygen

Oxygen and Chlorine

None of these

Which types of reaction speed up gradually?

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Irreversible reactions

Reversibel reactions

Forward reactions

Decomposition reactions.

when a system is in equilibrium state or in dynamic equilibrium state.

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Reactants and product are equal

Forward reactions stops

Reverse reactions stops

Forward reaction rate and reverse reaction rate

Guldberg and waage put forward law of mass action in:

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1860

1869

1870

1879

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 chemical reaction , the substances that combine are called.

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Reactants

Products

Equlibrium

Numerator

Who proposed "Law of mass action"?

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Newton

Boyle

Guldberg and waage

Lavoisier

Which gas is used to manufacture king of chemicals sulphuric acid?

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N₂

O₂

Cl₂

S

When the magnitude of Kc is very large in indicates.

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Reaction never go to completion

Reaction is in equilibrium state

Reaction will complete after some time

Reaction has almost to completion

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