Question # 1

Oxidation number of phosphorus in the compound is.

Choose an answer

+3

+4

+5

+6

The unit of rate constant is same as that of rate of reaction in

Choose an answer

first order reaction

Second order reaction

Third order reaction

Zero order reaction

On which factor boiling point of a liquid depends.

Choose an answer

Amount of the liquid

Shape of the container of the liquid

Type of burner used for boiling

External pressure

Nickel has isotopes

Choose an answer

3

5

6

11

With increases of 10 oC temperature the rate of reaction doubles. This increase in rate of reactions is due to.

Choose an answer

Decrease in activation energy of reaction

Decrease in the number of collisions between reactant molecules

Increase in activation energy of reactants

Increase in number of effective collisions

Half -Life period of a first order reacting is independent of.

Choose an answer

Initial concentration of the compound

Conditions of temperature

Presence of catalyst

All the above

The reduction potential of Zn is.

Choose an answer

+0.76 V

-0.34 B

+0.34 V

-0.76 V

One dm3 of a buffer solution containing 0.01 M NH4Cl and 0.1 M NH4OH having pKa of 3 has pH.

Choose an answer

4

6

9

10

If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of the gas will

Choose an answer

Remain unchanged

Increase four times

Reduce to 1/4

Be doubled

What are the SI of excluded volume 'b' in Vander waal equation.

Choose an answer

dm³ mol -1

m3 mol -1

mol dm-3

mol m-3

Exceptionally low acidic strength of HF is due to.

Choose an answer

Strong polar bond between H and F

Smaller size of fluorine

Strong hydrogen bonding

electronegativity of fluorine

The born Haber cycle is the best application of law.

Choose an answer

Boyle's

Dalton's

Hess's

Graham's

The molarity of 2% w/v NaOH solution is

Choose an answer

2

0.25

0.05

0.5

The concept of distribution of velocities among the gas molecules was given by.

Choose an answer

Clausius

Mexwell

Boltzmann

Vander waal

Which one of the following gases cannot be liquefied by Line's method.

Choose an answer

Water vapours

NH3

Nitrogen

H2

A glass is full of water and contains 6.02 x 10²³molecules of H2O The mass of water molecules is.

Choose an answer

18 gm

90 g

120 g

180 g

Which of the following molecule obey octet rule.

Choose an answer

BF3

BCl3

NH2

SF6

Which one of the following salts do not hydrolyses

Choose an answer

CuSO4

Na2CO3

NaCl

AlCl3

More Classes

Other Links

Chemistry Fsc Part 1 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer