Question # 1

If Qc > Kc the reaction will be in

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Chemical equilibrium

Static equilibrium

Reverse reaction

Forward reaction

Dynamic means, reaction is:

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In forward direction

Stop

In reverse direction

Still continuing.

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

When a reaction ceases to proceed further , it is called.

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Chemical states

Static state

Physical state

Dynamic equilibrium state

The reaction will attain the equilibrium if:

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Qc<Kc

Qc > Kc

Qc = Kc

Qc = 0

In the beginning the rate of reverse reaction is

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Negligible

Moderate

Very fast

Slow

The substance formed during the chemical reaction are called.

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Products

Reactants

Radical

Element

The substances formed during the chemical reaction are called.

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Product

Reactants

Radicals

Element

If Qc < Kc the reaction goes in:

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Forward

Reverse

At equilibrium state

None

In a Reversible Reaction if Qc = Kc then.

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Reaction is occuring in forward direction

Reaction is occuring in Reverse direction

Equilibrium has been allained

Reaction is not at equilibrium

Which types of reaction speed up gradually?

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Irreversible reactions

Reversibel reactions

Forward reactions

Decomposition reactions.

We exhale gas in the atmosphere during respiration.

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Carbon dioxide

Oxygen

Nitrogen

Water

Such reationsin which reactants and products are sufficient in quantities the Kc value of equilibrium state will be

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Very small

Very large

Moderate

None of these

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

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