Question # 1

Which of the hydrogen halides has the highest percentage of ionic character

Choose an answer

HF

HBr

HCI

HI

The sum of pH and pOH is

Choose an answer

0

7

14

10

Feeling uncomfortable breathing in un pressurized cabins is due to

Choose an answer

High pressure of CO2

Fatigue

Low pressure of O2

Low presssure of CO2

Quantum number value for 2p sub shell are

Choose an answer

n = 2, I = 1

n = 1, l =1

n = 1, l = 0

n = 2, l = 0

The molecular shape of SO3 is.

Choose an answer

Triangular planar

Tetrahedral

Pyramidal

Linear

The value of Rydberg constant is.

Choose an answer

1.6 x 10⁷ m-1

1.9768 x 10⁷ m-1

1.09678 x 10⁷ m-1

1.7904 x 10⁷ m-1

_________ was derived by C.M Guldberg and P Waage in 1864

Choose an answer

Law of conservation of Mass

Law of mass action

Law of conservation of energy

Distribution law

Which one of the following salts do not hydrolyses

Choose an answer

CuSO4

Na2CO3

NaCl

AlCl3

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

Splitting of spectral lines when atoms are subjected to strong electric field is called

Choose an answer

Zeeman effect

Stark effect

Photoelectric effect

Compton effect

An ionic compound A⁺B^-is most likely to be formed when

Choose an answer

The ionization energy of A is high and electron affinity of B is low

The ionization energy of A is low and electron affinity of B is high

Both the ionization energy of A and electron affinity of B are high

Both the ionization energy of A and electron affinity of B are low

In azeotropic mixture showing positive deviation from Raoult's law, the volume of the mixture is.

Choose an answer

slightly more than the total volume of the components

Slightly less than the total volume of the component

Equal to the total volume of the components

None of these

Which of the following orbitals is not possible.

Choose an answer

3p

4s

2d

Is

Standard enthalpy of combustion of carbon is -394 kJ mol-1 than, which is the standard enthalpy of formation of CO2

Choose an answer

+394 kJ

-394 kJ

0 kJ

+197 kJ

The rate of reaction

Choose an answer

Increase as the reaction proceeds

Decreases as the reaction proceeds

Remains the same as the reactions proceeds

May decrease or increase as the reaction proceeds

Diamond is a bad conductor of electricity because

Choose an answer

It has a tight structure

It has a high density

There are no free electrons present in the crystal of diamond to conduct electronics

None of these

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

Melting of ice can be forwarded by the use of.

Choose an answer

LiCl

BeCl2

NaCl

Ag Cl

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