JEE Chemistry Solved Question Paper 2002 | 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 first artificial disintegration of an atomic nucleus was achieved by

  • Geiger

  • Wilson

  • Madam Curie

  • Rutherford


2.

Irrespective of the source, pure sample of water always yields 88.89% mass of oxygen and 11.11 % mass of hydrogen. This is explained by the law of; 

  • conservation of mass

  • constant composition

  • multiple proportion

  • Gay-Lussa


3.

When the product of pressure and volume is plotted against pressure for a given amount of gas, the line obtained is :

  • parallel to X-axis

  • parallel to Y-axis

  • linear with positive slope

  • linear with negative slope


4.

32g of O2, 2g of H2 and 28g of N2 at STP, occupy separately a volume of:

  • 1L

  • 2L

  • 22.4L

  • 2.24L


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5.

Air at sea level is dense. This is a practical implimentation of :

  • Boyle's law

  • Charles' law

  • Avogadro's law

  • Dalton's law


6.

Acetylene molecule has carbon in:

  • sp -hybridization

  • sp2 -hybridization

  • sp3 -hybridization

  • sp3d -hybridization


7.

Oxygen molecule contains :

  • no unpaired electron

  • one unpaired electron

  • two unpaired electrons

  • three unpaired electrons


8.

The law of thermodynamics formulated by Dr.N. Nernst is :

  • first law of thermodynamics

  • second law of thermodynamics

  • third law of thermodynamics

  • both (a) and (b)


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9.

Which of the following will favour the reverse reaction in a chemical equilibrium ?

  • Increasing the concentration of the reactants

  • Removal of at least one of the products at regular intervals

  • Increasing the concentration of one or more of the products

  • Increasing the pressure


10.

Kp and Kc are related as :

  • Kp = Kc(RT)Δn

  • Kp + K= (RT)Δn

  • Kc= Kp

  • Kp .Kc= (RT)Δn


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