Question # 1

Oxidation number of Cr in a C₂CrO₄ is

Choose an answer

+2

+4

+6

+8

Quantum number values for 2p orbitals are

Choose an answer

n = 2, l = 1

n =1, 1 = 2

n =1, l = 0

n = 2, l = 0

Which has greater enthalpy of vaporization

Choose an answer

F2

Cl2

Br2

I2

Which pair of mixture is called ideal solution.

Choose an answer

Chlorobenzene and bromobenzene

Water alcohol

Water ether

HCl and water

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

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

Which pair are iso electronic.

Choose an answer

Na+ and Cl-

Na+ and Mg+2

N-3 and P-3

H+ and H-

The number of bonds in oxygen molecules.

Choose an answer

One sigma and One pi

One sigma and two Pi

Three sigma only

Two sig and two pi

Total pressure of mixture of two gases is.

Choose an answer

The sum of their partial pressures.

The difference of their partial pressures

The product of their practical pressures

The ratio of their partial pressures

Which of the following species has unpaired electrons in antibonding molecular orbitals.

Choose an answer

O2⁺²

N2^-2

B2

F2

Both CH4 and NH3 are four electron pair system the angles of CH4 and NH3 are 109.5^o and 107.5 ^o respectively. This deviation is due to.

Choose an answer

Hydrogen bonding in ammonia

Lone pair attraction

Lone pair occupy more space and repel to other bond pairs

Lone pair lone pair repulsion

Gases exert pressure on the walls of the container becasue the gas molecules.

Choose an answer

Collide with each other

Collide with walls of container

Have definite volume

Obey the gas laws

In methanol, bond between carbon and oxygen.

Choose an answer

Ionic

Non polar

Polar

Co - ordinate

Node is a surface on which probability of finding electron is

Choose an answer

Zero

More than 95%

50%

Infinite

In zero order reaction, the rate is independent of

Choose an answer

Temperature of reaction

Concentration of reactants

Concentration of products

None of these

Which one of the following orbital will be filled first.

Choose an answer

4f

5d

3d

4s

a zero order reaction is one is which

Choose an answer

Reactants do not react

One reactant is in large excess

Concentration of reactant do not change with passage of time

Rate is of affected by changing concentration of reactants

How many balloon of 0.25 dm3 capacity at 1 atmospheric pressure can be filled from a hydrogen gas cylinder of 5 dm3 capacity at 10 atmospheric pressure.

Choose an answer

50

90

180

200

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