Class XI Chemistry States of Matter Quiz 3

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Question 1

A sealed tube which can withstand a pressure of is filled with air at and pressure. The temperature above which it will burst :

• A245
• B627
• C756
• D402

Question 2

The pressure exerted by of an ideal gas at temperature T in Kelvin in a vessel of volume V litre is When the temperature is increased by at the same volume, the pressure rises by The temperature is:

• A500
• B200
• C300
• D100

Question 3

A spherical balloon of diameter is to be filled with H₂ at NTP from a cylinder containing the gas at at . If the cylinder can hold of water, the number of balloons that can be filled up using pumping are:

• A
• B
• C
• D

Question 4

Which one of the following will have greatest average speed of its molecules?

• A
• B
• C
• D

Question 5

A gas bulb of capacity contains molecules of nitrogen exerting a pressure of . The rms speed of the gas molecules will be :

• A
• B
• C
• D

Question 6

For one mole of a Van der Waals when and the vs plot is shown below. The value of the Van der Waals constant ‘a’ (atm litre²mol^-2) is :

• A
• B
• C
• D

Question 7

Which of the following gases will show positive deviation from ideal gas behavior at all pressures ?

• AN₂
• BH₂
• CCH₄
• DCO₂

Question 8

If a graph is drawn for real gas in such a way that PV is drawn along Y-axis and P along X-axis, then which of the following be the value for the intercept of the graph on Y-axis ?

• A
• B
• C
• D

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