Question # 1

the order of the rate of diffusion of gases NH₃, SO₂, CI₂and CO₂is

Choose an answer

NH₃> SO₂>CI₂CO₂

NH₃> CO₂> SO₂> CI₂

CI₂> SO₂> CO₂> NH₃

NH₃> CO₂> CI₂> SO₂

Observed pressure is less than ideal pressure for any gas due to

Choose an answer

Intermolecular forces

Size of molecules

Boiling point of molecules

Both a and c

How many moles of CO are present having 12.04 x 10²³molecules of CO2.

Choose an answer

0.5 mol

1.0 mol

1,5 mol

2.0 mol

The boiling point of water at the top mount Everest is.

Choose an answer

59^oC

69^oC

83^oC

75^oC

Which of the following has coordinate covalent bond.

Choose an answer

NH4

NaCl

HCl

AlCl3

The total kinetic energy of one mole of an ideal gas is given by

Choose an answer

3/2 RT

1/2 KT

1/2 RT

3/2 KT

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.

Which molecules is 100% covalent

Choose an answer

H2

H2O

HF

NH3

Catalyst used in preparation of NH3 from N2 and H2 is.

Choose an answer

Ni

Fe

Pt

V2O5

10 g of NaOH have been dissolved per kg of solvent The molality of solution.

Choose an answer

0.25 m

0.5 m

1.0 m

2.0 m

Normal temperature and pressure (S.T.P) of gas rafers to

Choose an answer

273 K and 76 mm Hg

273° C and 760 mm Hg

273 K and 760 mm Hg

273° C and 76 mm Hg

Diamond is bad conductor because.

Choose an answer

It has a tight structure

It has a high density

It is transparent to light

There are o free electros present in the crystal of diamond to conduct electricity.

BF3 has zero while NH3 has 1.49 D dipole moment because.

Choose an answer

B is less electronegative than N

F is more electronegative than N

BF3 is pyramidal while NH3 is planar

NH3 is pyramidal while BF3 is trigonal planar

The shape of H₃O is

Choose an answer

Tetrahedral

Angular

Trigonal planer

Pyramidaj

For which system does the equilibrium constant K_chas units of (concentration)^-1

Choose an answer

Which of the following precautions in necessary for smooth filtration

Choose an answer

The filter paper should be of big size

The tip of funnel should not touch the side of the beaker

The stem of the funnel should be very small

The stem of he funnel should remain continuously full of liquid

Isotopes differ in

Choose an answer

Properties which depend upon mass

Arrangement of electrons in orbital

Chemical properties which depend upon weight

Atomic number

Solvent extraction is an equilibrium process and it is controlled by

Choose an answer

Law of mass action

The amount of solvent used

Distribution law

The amount of solute

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