Question # 1

When the magnitude of Kc is very small in indicates.

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Equilibrium will never establish

All reactants will converted to products.

Reaction will go to completion

The amount of products is negligible

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

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Chemical states

Static state

Physical state

Dynamic equilibrium state

What is the colour of hydrogen iodide in product?

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Purple

Yellow

Blue

Colorless

Such reactions which continue in both directions are called.

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Irreversible

Reversible

Nonreactive

Dynamic

For reactions having large Kc value, the reaction proceeds to:

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Completion

Equilibrium state

back ward

None of these

We exhale gas in the atmosphere during respiration.

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Carbon dioxide

Oxygen

Nitrogen

Water

The rate of reverse reaction in the beginning.

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Slow

moderate

Very fast

Low

The substance formed during the chemical reaction are called.

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Products

Reactants

Radical

Element

A complete reaction is one is which.

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All the reactants convert into products.

All the reactants do not convert into products.

Half reactants convert into products.

Only 10% reactants convert into products.

The plant use

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Carbon di oxide

Oxygen

Nitrogen

Sulphur

The value of K_c depends on.

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Temperature

Pressure

Volume

Atmosphere

The reaction in which the products can recombine to form reactants are called.

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Reversible reaction

Irreversible reaction

Decomposition

Addition

The unit of molar concentration:

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mol. dm^-2

mol. dm^-1

mol. dm

mol. dm^-3

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