Class 11 Chemistry 2021 2nd Annual MCQs Test

ByMuhammad Zaman

FBISE Federal Board Class 11 Chemistry 2021 2nd Annual MCQs Test. Do as much practice as you can so that you get good marks in the final exams.

Class 11 Chemistry MCQs Tests

Class 11 Chemistry 2021 2nd Annual MCQs Test

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Class 11 Chemistry
Past Paper 2021 2nd Annual
Practice MCQs Test

1 / 17

In the conversion of Br2 to BrO3-1 the oxidation state of Bromine changes from:

2 / 17

How many atoms of carbon are there in 18g of C6H12O6?

3 / 17

A molal boiling constant is the ratio of elevation in boiling point to:

4 / 17

The unit of the rate constant is the same as that of the rate of reaction in ____ order reaction.

5 / 17

In an exothermic reversible reaction increase in temperature shifts the equilibrium to:

6 / 17

Lattice energy of an Ionic crystal is the enthalpy of:

7 / 17

Which enthalpy is related to the following change? Na(s) → Na(g)

8 / 17

In the formation of O2+ from O2 the electron is removed from:

9 / 17

The volume of a gas at 0°C is 100cm3. What will be the volume of the same gas at 546°C assuming the pressure remains constant?

10 / 17

Van Der Waal’s forces are effective:

11 / 17

Total number of bonds in C2H2 molecule are:

12 / 17

One mole of Ethanol and one mole of Ethane have an equal:

13 / 17

The wave number of the light emitted from a certain source is 2 x 106 m-1. The wavelength of this light will be:

14 / 17

The pOH of a solution is 4. The H+ ion concentration of the solution is:

15 / 17

Exceptionally low acidic strength of HF is due to:

16 / 17

The deviation of a gas from ideal behavior is maximum at:

17 / 17

The electronic configuration of an atom is Is2, 2s2, 2p4. The number of unpaired electrons in this atom is:

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