Question # 1

The liquid pair which is not completely miscible is

Choose an answer

CH₃OH and water

Alcohol and water

Phenol and water

Benzene and toluene

Which of the following species has unpaired electrons in anti bonding molecular orbitals

Choose an answer

O2

N2

B2

F2

A cell in which electric current is produced as a result of spontaneous redox reaction is called.

Choose an answer

Electrolytic cell

Galvanic cell

Half cell reaction

Down's cell

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 mass fo 1.505 x 10²³atoms of sulphur is.

Choose an answer

0.5 g

0.6 g

0.7 g

0.8 g

The born Haber cycle is the best application of law.

Choose an answer

Boyle's

Dalton's

Hess's

Graham's

For a given process, the heat chagnes of constant pressure and at constant volume are related to each other as.

Choose an answer

qp= qv

qp<qv

qp>qv

None of these

Conduction of electricity through gases under reduced pressure is due to the transportation of.

Choose an answer

positive charge

Negative charge

Both types of charges

None of these

A type of meals are usually used as catalyst.

Choose an answer

Coinage metal

Alkali metals

Transition metals

alkaline earth metals

A component having small value of K mostly remains in the.

Choose an answer

Stationary phase

Mobile phase

Chromatographic tank

Solvent

VSEPR theory was proposed by

Choose an answer

Nyholn and Gillespie

Kossel

Lewis

Sidwick

Which one of the following substances is used as water absorber in combustion analysis.

Choose an answer

Mg(CIO4)2

50% KOH

Lime water

Dilute solution of NaOH

How many electrons can be accommodated in sub shell for which n = 3, l = 1

Choose an answer

6

8

18

32

Chromatography in which the stationary phase is a solid is classified as.

Choose an answer

Partition chromatography

Gas chromatography

Adsorption Chromatography

Thin layer chromatography

A limiting reactant is that one which

Choose an answer

Gives greatest number of moles of products

Gives least number of moles of products

Is left behind after the completion of reaction

Is mostly a cheaper substance as compared to other reactants

If uncertainty position of an electron is zero, the uncertainty in its momentum would be

Choose an answer

Zero

Infinite

Both a and b

None of these

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

Choose an answer

500 nm

5000 nm

200 nm

5 x10⁷ m

One of the following statements about Born-Haber cycle is correct. Which is that statement

Choose an answer

Born-Haber cycle is different from Hess's law

The energy change in a cyclic process is not zero

The lattice energy of the crystalline substances can be calculated easily

Heat of formation of the product and the lattice energy of the substance can be calculated simultaneously

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