Question # 1

What is the colour of hydrogen iodide in product?

Choose an answer

Purple

Yellow

Blue

Colorless

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

Choose an answer

simple reaction

reversible reaction

irreversible reaction

chain reaction

A reverse reaction is that.

Choose an answer

Which proceed from left to high

In which reactants reacts to form products

Which slow down gradually

Which speed up gradually

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

Choose an answer

Mol dm^-3

Mol^-1 dm^-3

Mol^-1dm³

Mol dm³

At dynamic equilibrium state:

Choose an answer

Rate of forward reaction≠ Rate of reverse reaction

Rate of forward reaction > Rate of reverse reaction

Rate of forward reaction = Rate of reverse reaction

Rate of forward reaction < rate of reverse reaction

The color of hydrogen Iodide is:

Choose an answer

Colourless

Black

Red

Pink

The color of Iodine is:

Choose an answer

Purple

Black

Red

Pink

When the magnitude of Kc is very small it indicates.

Choose an answer

Equilibrium will never establish

All reactants will be converted to products.

Reaction will go to completion

The amount of products is negligible

The unit of molar concentration is:

Choose an answer

moldm^-3

moldm⁺³

molcm^-3

molcm⁺³

When the rate of a the forward reaction takes place at the rate of reverse reaction the composition of the reaction mixture remains constant it is called.

Choose an answer

Chemical equilibrium

Dynamic equilibrium

Static equilibrium

All

In chemical reaction , the substances that combine are called.

Choose an answer

Reactants

Products

Equlibrium

Numerator

The two major components of atmosphere are:

Choose an answer

Hydrogen and oxygen

Nitrogen and Hydrogen

Nitrogen and oxygen

Oxygen and water.

In an irreversible reaction dynamic equilibrium:

Choose an answer

Never establishes

Established before the completion of reaction

Establishes after the completion of reaction

Establishes readily

More Classes

Other Links

Chemistry 10th Class English Medium Unit 9 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer