JEE Chemistry Solved Question Paper 2016 | Previous Year Papers | Zigya

Subject

Chemistry

Class

JEE Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

The equation that represents general van't Hoff equation is 

  • π= nVRT

  • π= nRT

  • π= VnRT

  • π= nVRT


2.

5.0 g of sodium hydroxide (molar mass 40 g mol-1) is dissolved in little quantity of water and the solution is diluted upto 100 ml. What is the molarity of the resulting solution?

  • 0.1 mol dm-3

  • 1.0 mol dm-3

  • 0.125 mol dm-3

  • 1.25 dm-3


3.

Which among the following solid is a non-polar solid?

  • Hydrogen chloride

  • Sulphur dioxide

  • Water

  • Carbon dioxide


4.

Mathematical equation of first law of thermodynamics for isochoric process is

  • ΔU = qv

  • -ΔU = qv

  • q= -W

  • ΔU = W


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5.

The criterion for a spontaneous process is

  • ΔG >0 

  • ΔG < 0

  • ΔG = 0

  • ΔStotal < 0


6.

Identify an extensive property amongst the following.

  • Viscosity

  • Heat capacity

  • Density

  • Surface tension


7.

What is the amount of work done when 0.5 mole of methane, CH4(g), is subjected to combustion at 300 K? (Given, R=8.314JK-1 mol-1)

  • -2494 J

  • -4988 J

  • + 4988 J

  • + 2494 J


8.

If 'n' represents total number of asymmetric carbon atoms in a compound then the possible number of optical isomers of the compound is 

  • 2n

  • 2n

  • n2

  • 2n+2


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9.

Which is the most stable allotrope of sulphur?

  • Octahedral sulphur

  • Monoclinic sulphur

  • Plastic sulphur

  • Colloidal sulphur


10.

The compound which is not formed when a mixture of n-butyl bromide and ethyl bromide treated with sodium metal in the presence of dry ether is

  • butane

  • octane

  • hexane

  • ethane


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