JEE Main 2017 (Online) 9th April Morning Slot | Gaseous State Question 48 | Chemistry

This chapter is currently out of syllabus

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

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At 300 K, the density of a certain gaseous molecule at 2 bar is double to that of dinitrogen (N₂ ) at 4 bar. The molar mass of gaseous molecule is :

28 g mol^$$-$$1

56 g mol^$$-$$1

112 g mol^$$-$$1

224 g mol^$$-$$1

JEE Main 2017 (Online) 8th April Morning Slot

MCQ (Single Correct Answer)

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Out of Syllabus

Among the following, the incorrect statement is :

At low pressure, real gases show ideal behaviour.

At very low temperature, real gases show ideal behaviour.

At very large volume, real gases show ideal behaviour.

At Boyle’s temperature, real gases show ideal behaviour.

JEE Main 2016 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

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Out of Syllabus

Initially, the root mean square (rms) velocity of N₂ molecules at certain temperature is $$u$$. If this temperature is doubled and all the nitrogen molecules dissociate into nitrogen atoms, then the new rms velocity will be :

u/2

14u

JEE Main 2016 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

At very high pressures, the compressibility factor of one mole of a gas is given by :

$${{pb} \over {RT}}$$

1 + $${{pb} \over {RT}}$$

1 $$-$$ $${{pb} \over {RT}}$$

1 $$-$$ $${b \over {\left( {VRT} \right)}}$$

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