Shri Chhatrapati Shivaji College,Omerga.(M.S.) Dept.of Chemistry #Quiz No.05#

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

# Class- B.Sc. Semester II # Subject - Chemistry # Chap-02 Gaseous State

Email *

Name of student and Roll no. *

Qu.1 According to the kinetic theory of gases..... *

1 point

There are inter-molecular attractions

There are no inter-molecular attractions

The velocity of molecules decreases for each collision

Molecules have considerable volume.

Qu.2 if the absolute temp.of a gas is doubled and the pressure is reduced to one-half,the volume of the gas will...... *

1 point

Be reduced to 1/4 th

Be doubled

Remain unchanged

Increase four fold

Qu.3 According to Grahams law,at a given temp.the ratio of the rates of diffusion rA/rB of gases A and B is given by ...... *

1 point

(MA/MB) (PA/PB)1/2

(MA/MB)(PB/PA)1/2

(PA/PB)(MB/MA)1/2

(PA/PB)(MA/MB)1/2

Qu.4 The molecular velocity of any gas is ... *

1 point

Proportional to the absolute temp.

Proportional to the square of the absolute temp.

Proportional to the square root of the absolute temp.

Independent of the absolute temp.

Qu.5 At constant volume,for a fixed number of moles of gas,the pressure of the gas increases with rise of temp.due to..... *

1 point

Increase rate of collisions amongest molecules

Decrease in mean free path

Increase in Average molecular speed

Increase in molecular attractions.

Qu.6 Rate of diffusion of gas is ... *

1 point

Directly proportional to its density

Directly proportional to its Molecular weight

Directly proportional to the square of its molecular weight

Inversely proportional to the square root of its molecular weight

Qu.7 At the same temp.and pressure,which of the following gases will have the highest kinetic energy per mole..... *

0 points

Oxygen

Hydrogen

Methane

All the same

Qu.8 If a gas is expanded at constant temp...... *

1 point

The pressure decreases

The K.E.of molecules decreases

The K.E.of molecules remains same

The number of molecules of the gas increases

Qu.9 A gas is initially 1 atm pressure,to compress it to 1/4 th of its initial volume,pressure to be applied is *

1 point

1 atm

2 atm

4 atm

1/4 atm

Qu.10 Pressure of a gas is due to.... *

1 point

The collision of the gas molecules against the walls of the container

The random movement of gas molecules

Collisions of gas molecules

The inter-molecular forces of attraction between the gas molecules

Qu.11 At STP the order of mean square velocity of molecules of H2,N2,O2 and HBr is.... *

1 point

H2 > N2 >O2 >HBr

N2 > O2 >H2 >HBr

HBr >H2 > O2> N2

HBr >O2 > N2> H2

Qu.12 Which is not true in case of an ideal gas? *

1 point

It cannot be converted into liquid

All molecules of the gas move with same speed

There is no interaction between the molecules

At a given temp. PV is proportional to the amount of gas

Qu.13 A gas will approaches ideal behavior at..... *

1 point

Low temp.and low pressure

Low temp.and high pressure

High temp.and low pressure

high temp.and high pressure

Required

Qu.14 The temp.at which real gases obey the ideal gas laws over a wide range of pressure is called...... *

1 point

Reduced temp.

Boyle temp.

Inversion temp.

Critical temp.

Qu.15 An ideal gas cannot be liquefied because... *

1 point

Its critical temp.is always above zero degree centigrade

Its molecules are relatively smaller in size

It solidifies before becoming a liquid

Forces operative between its molecules are negligible

Qu.16 The vander Waal's equation explains the behavior of .... *

1 point

Ideal gases

Real gases

vapours

Non real gases

Qu.17 Observe the given figures of gases and find out in each figure which type of gases either (ideal/real) are there ? *

2 points

A-Real B-Ideal C-ideal D-real

A- Ideal B-Real C-ideal D-Real

A-Real B-Real C-Ideal D-real

A-Ideal B-Real C-real D-ideal

Qu.18 A) In the given plot of P V/s V and its nature follows.......law..B) The experiment shown in image is related with...............law ( Hint: If we increase the temp.of gas Volume of gas increases VαT) *

2 points

Ans.of Qu.A- Daltons law Ans.of Qu.B- Grahms law of diffusion

Ans.of Qu.A- Boyle's law Ans.of Qu.B- Chare's law of diffusion

Ans.of Qu.A- Charle's law Ans.of Qu.B- Boyle's law

Ans.of Qu.A- Amagat's law Ans.of Qu.B- Kinetic law of diffusion

Send me a copy of my responses.

Submit

Clear form

Never submit passwords through Google Forms.

reCAPTCHA

Privacy Terms

This content is neither created nor endorsed by Google. Report Abuse - Terms of Service - Privacy Policy

Forms