Question # 1

What is bond order.

Choose an answer

Number of unpaired electrons

Number of paired electrons

Number of electrons present in antibonding molecular orbital

Number of bond formed between two atoms after overlap

the volume occupied by 1.4 of N2 at S.T.P is

Choose an answer

2.24 dm3

22.4 dm3

1.12 dm3

112 cm3

An atomic orbital has l =1 , m =+1, 0, -1, n = 3 than which one of the following atomic orbital has such values.

Choose an answer

2s

2p

3p

3d

A real gas obeying Van der Waal's equation will resemble ideal gas if.

Choose an answer

Both a and b are large

Both a and b are small or zero

A is small and b is large

A is large and b is small

Chromatography in which stationary phase is a solid is called.

Choose an answer

Partition chromatography

Paper chromatography

High pressure liquid chromatography

Adsorption chromatography

Salt of weak acid with strong base when dissolved in water gives.

Choose an answer

Acidic solution

Basic solution

Neutral solution

None of above

One molecule of hemoglobin in heavier than one atom of hydrogen.

Choose an answer

680 times

6800 times

68000 times

680000 times

Standard enthalpy change when one mole of compound is formed from their elements at standard state is.

Choose an answer

Heat of formation

Standard heat of formation

Heat of combustion

Standard Heat of neutralization

If we plot a graph between I/V at x-axis and pressure at Y -axis

Choose an answer

a parabolic graph is obtained

By increasing temperature straight line move toward x axis

By increases temperature straight line move toward y axis.

No. change in line by increasing temperature.

Dipole Moment of H2O is.

Choose an answer

1.61 D

1.85 D

0.95 D

1.49 D

NaCI and sand can be separated by one of the following without filtration

Choose an answer

Formation of solution and filtration

Formation of solution and evaporation without filtration

Sublimation

Chromatiograghy

If an endothermic reaction is allowed to take place very rapidly i the air, the temperature fo the surrounding air.

Choose an answer

Remains constant

Increase

Decrease

Remain unchanged

Water and Phenol are partially miscible to each other at room temperature when both liquids are mixed together which is upper layer.

Choose an answer

Water in Phenol

Phenol and water

Pure phenol

Pure water

18 g of glucose is dissolved in 90 g of water. The relative lowering of vapour pressure is equal to

Choose an answer

1/5

5.1

1/51

6

The wave number of the light emitted by a certain source is 2 x 10⁶m^-1The wave length of this light is.

Choose an answer

500 nm

500 m

200 nm

600 m

In mass spectrometry, ions are produced by

Choose an answer

Heat at high temperature

Passing gas through high voltage plates

Throwing fast moving electrons on gas molecules

All of them

The shape of Sncl2 molecule is.

Choose an answer

Linear

Angular

Trigonal planar

Tetrahedral

The heat contents of the system of known as.

Choose an answer

Entropy

Enthalpy

Work

Free energy

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