Important Questions of States of Matter Chemistry | Zigya

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 Multiple Choice QuestionsMultiple Choice Questions

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421.

Maximum deviation from ideal gas is expected from

  • H2(g)

  • N2(g)

  • CH4(g)

  • NH3(g)


422.

The value of H for cooling 2 mole of an ideal monoatomic gas from 225°C to 125°C at constant pressure will be [given Cp52R].

  • 250 R

  • -500 R

  • 500 R

  • -250 R


423.

The compressibility factor (Z) of one mole of a van der Waals' gas of negligible 'a' value is

  • 1

  • bpRT

  • 1 + bpRT

  • 1-bpRT


 Multiple Choice QuestionsShort Answer Type

424.

Calculate the ratio of the rate of diffusion of oxygen to the rate of diffusion of hydrogen at constant temperature and pressure.


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 Multiple Choice QuestionsMultiple Choice Questions

425.

At identical temperature and pessure, the ratio of diffusion of hydrogen gas is 33 times that of a hydrocarbon having molecular formula CnH2n-2. What is the value of 'n'?

  • 1

  • 4

  • 3

  • 8


426.

Which of the following compounds shows evidence of the strongest hydrogen bonding?

  • Propan-1-ol

  • Propan-2-ol

  • Propan-1,2-diol

  • Propan-1,2,3-triol


427.

Unusually high boiling point of water is result of

  • intermolecular hydrogen bonding

  • intramolecular hydrogen bonding

  • both intra and inter molecular hydrogen bonding

  • high specific heat


428.

The rms velocity of an ideal gas at constant pressure varies with density (d) as

  • 1d

  • d

  • d

  • d2


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429.

The compressibility factor of an ideal gas is :

  • 1

  • 2

  • 4

  • 0


430.

Dalton's law of partial pressure is not applicable to

  • O2+ O3

  • CO + CO2

  • NH3+ HCl

  • I +O2


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