Question # 1

What will happen if the rates of forward and reverse reactions are very high

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The reaction will be practiclly irreversible

The equilibrium point will reach very soon

The equilibiurm point will reach very late

The reaction will not attain the state of dynamic equilibrium

Keeping in view the intermolecular forces of attraction, indicate which compound has the highest boiling point

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H₂S

HF

NH₃

H₂O

How many electrons can be accommodated at the most in the third shell of the elements.

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8

10

18

32

A bond formed between two non metals is expected to be

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Ionic

Coordinate covalent

Metallic

Covalent

What conditon Should be met for the reversible reactio to achieve the state of equilibrium.

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The concentratio of all the reactants and the prodduct should become constant

all the reactants should be converted into the product

50% of the reactant shuld be converted into prodcuts.

One of the product should be removed from the reaction mixture.

Which of the following is a metal

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Magnesium

Carbon

Hydrogen

Nitrogen

The unit of ionization energy is

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nm and pm

kJ mol-1

Pascal

Newton

How doe electrons keep themselves away from the oppositely charged nucleus.

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A agnetic field around the nucleus keeps them away

By keeping themselves stationary

By revolving around the nucleus

Due to their wave like nature

The branch of chemistry that is concerned with the large scale production of chemical substances is.

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Environemantal chemistry

Inorganic chemistry

Physical Chemistry

Industrial chemistry

Which element is capable of forming all the three types of bonds, covalent coordinate covalent or ionic.

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Carbon

Silicon

Magnesium

Oxygen

Value of Avagadro's number is.

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6.6 x 10^-20

6.02 x 10²³

6.00 x 10²⁴

1.32 x 10²³

Noble gases are non -reactive, because they do not.

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Gain electrons

Lose electrons

Share electrons

All of these

The colour of anhydrous copper (II)sulphate solid is

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Pink

Black

White

Blue

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