Question # 1

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

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temperature

Pressure

concentration

density

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

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Dalton

Thomson

Haber

Waage

The plant use

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Carbon di oxide

Oxygen

Nitrogen

Sulphur

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

The value of K_c depends on.

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Temperature

Pressure

Volume

Atmosphere

For a reaction between PCL₃ and Cl₂ to form PCl₅ the units of Kc are:

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Mol dm^-3

Mol^-1 dm^-3

Mol^-1dm³

Mol dm³

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

What is the colour of hydrogen iodide in product?

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Purple

Yellow

Blue

Colorless

In chemical reaction , the substances that combine are called.

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Reactants

Products

Equlibrium

Numerator

The color of Iodine is:

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Purple

Black

Red

Pink

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

If Qc > Kc the reaction will be in

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Chemical equilibrium

Static equilibrium

Reverse reaction

Forward reaction

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

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10th Class Chemistry Chapter 9 Chemical Equilibrium English Medium KPK Boards Online Mcqs MCQs With Answers

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