Question # 1

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

Such reactions which continue in both directions are called.

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Irreversible

Reversible

Nonreactive

Dynamic

Such reaction which can be made proceed in either direction depending upon the condition:

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simple reaction

reversible reaction

irreversible reaction

chain reaction

Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:

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Dalton

Thomson

Haber

Waage

A reverse reaction is that.

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Which proceed from left to high

In which reactants reacts to form products

Which slow down gradually

Which speed up gradually

Which types of reaction speed up gradually?

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Irreversible reactions

Reversibel reactions

Forward reactions

Decomposition reactions.

The color of hydrogen Iodide is:

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Colourless

Black

Red

Pink

Equilibrium constant value "K" is equal to:

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Kt / Kr

Ki / Kr

Kc / Qc

Qc /Kc

Who proposed "Law of mass action"?

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Newton

Boyle

Guldberg and waage

Lavoisier

Which gas is used to prepare ammonia?

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N₂

O₂

Cl₂

S

Active mass is expressed as:

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{ }

[ ]

( )

l l

Reaction which have comparable amount of reactants and products at equilibrium state have.

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Very small Kc value

Very large Kc value

Moderate Kc value

None of these

The unit of molar concentration is:

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moldm^-3

moldm⁺³

molcm^-3

molcm⁺³

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