Question # 1

An equilibrium is achievable only in a:

Choose an answer

big system

small system

open system

closed system

If Qc > Kc the reaction will be in

Choose an answer

Chemical equilibrium

Static equilibrium

Reverse reaction

Forward reaction

The reaction will attain the equilibrium if:

Choose an answer

Qc<Kc

Qc > Kc

Qc = Kc

Qc = 0

The forward reaction takes place:

Choose an answer

Right to left

Left to Right

Only to right

Only to left

For which reaction Kf is the rate constant?

Choose an answer

Forward reaction

Backward reaction

Upward reaction

Downward reaction

The color of hydrogen Iodide is:

Choose an answer

Colourless

Black

Red

Pink

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

Choose an answer

Dalton

Thomson

Haber

Waage

In a chemical reaction, the substance that combine are called.

Choose an answer

Reactant

Products

Mass

Material

When the numbers of moles of both sides are equal in a reaction, then the unit of K_c will be:

Choose an answer

No unit

mol^-2 dm⁶

mol dm³

mol^-2dm

The rate of reverse reaction in the beginning.

Choose an answer

Slow

moderate

Very fast

Low

The reaction goes from left to right , if:

Choose an answer

Qc = Kc

Qc > kc

Qc<Kc

Qc = 0

The characteristics of reversible reactions are the following except:

Choose an answer

Products never recombine to form reactants.

They never complete

The proced in both ways

They have a double arrow between reactants and products.

Dynamic means, reaction is:

Choose an answer

In forward direction

Stop

In reverse direction

Still continuing.

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