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Physical Chemistry

Comprehensive physical chemistry quiz covering chemical kinetics, solid state chemistry, solution chemistry, and thermodynamics concepts.

27 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The catalyst used in contact process is :-

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

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  1. vanadium pentoxide.
  2. iron.
  3. nickel.
  4. platinized asbestos.
Question 2 Multiple Choice (Single Answer)

Which of the following is an example of group 12 - 16 compound?

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

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  1. InSb.
  2. HgTe.
  3. TiO.
  4. VO.
Question 3 Multiple Choice (Single Answer)

The unit of rate constant of a first order reaction is :-

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

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  1. mol per litre.
  2. per second.
  3. mol per litre per second.
  4. per mol litre per second.
Question 4 Multiple Choice (Single Answer)

In p-type semiconductor, silicon and germanium are doped with

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

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  1. Te or Al.
  2. P or As.
  3. Se or Te.
  4. Al or Ga.
Question 5 Multiple Choice (Single Answer)

Which of the following has conductivity like metallic copper?

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

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  1. Zink sulphite.
  2. Rhenium oxide.
  3. Vanadium oxide.
  4. Cadmium selenide.
Question 6 Multiple Choice (Single Answer)

Which of the following is a polar solvent?

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

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  1. Carbon tetrachloride.
  2. Carbon disulphide.
  3. Alcohol.
  4. Benzene.
Question 7 Multiple Choice (Single Answer)

The order of a reaction can never be _______ the stoichiometric cofficients

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

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  1. equal to
  2. greater than or equal to
  3. less than or equal to
  4. greater than
Question 8 Multiple Choice (Single Answer)

The unit of rate constant of a first order reaction is :-

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

Thanks.

  1. mol per litre.
  2. per second.
  3. mol per litre per second.
  4. per mol litre per second.
Question 9 Multiple Choice (Single Answer)

The catalyst used in Haber's process is :-

This Question Paper involve the mixed questions on different chapters of physical chemistry. If you have read them thoroughly then make an attempt to solve it. It will definitely help you to revise your basic concepts.

Thanks.

  1. iron
  2. venadium pentoxide
  3. platinized asbestos
  4. nickel
Question 10 Multiple Choice (Single Answer)

In n-type semiconductor, silicon and germanium are doped with

  1. Group 13 elements
  2. Group 14 elements
  3. Group 15 elements
  4. Group 16 elements
Question 11 Multiple Choice (Single Answer)

Which of the following has conductivity like metallic copper?

  1. Zink sulphite.
  2. Rhenium oxide.
  3. Vanadium oxide.
  4. Cadmium selenide.
Question 12 Multiple Choice (Single Answer)

Conductivity of semiconductors

  1. decreases with temperature
  2. increases with temperature
  3. remains constant with temperature
  4. increases and decreases randomly with temperature
Question 13 Multiple Choice (Single Answer)

If a molecule forms c.c .p, the number of octahedral voids in 3 moles of it is equal to

  1. 4 X Avogadro number.
  2. 3 X Avogadro number
  3. 2 X Avogadro number.
  4. 1X Avogadro number
Question 14 Multiple Choice (Single Answer)

If a molecule forms h.c.p, the number of tetrahedral voids in 0.2 moles of it is equal to

  1. 2 X Avogadro number
  2. 0.2 X Avogadro number
  3. 0.2 X 2 X Avogadro number
  4. 0.2 X 0.2 X Avogadro number
Question 15 Multiple Choice (Single Answer)

The solid in which metal deficiency defect occurs is :-

  1. NaCl
  2. VO
  3. MgO
  4. FeO.
Question 16 Multiple Choice (Single Answer)

The process of adding a suitable impurity to a semiconductor is called

  1. doping
  2. electroplating
  3. alloying
  4. amalgamation
Question 17 Multiple Choice (Single Answer)

Find mole fraction of 20% by weight NaOH solution.

  1. 0.10
  2. 0.20
  3. 0.50
  4. 0.80
Question 18 Multiple Choice (Single Answer)

Isotonic solutions have the same

  1. volume and molecular concentration
  2. pressure and molecular concentration
  3. temperature and volume
  4. pressure and temperature
Question 19 Multiple Choice (Single Answer)

When a solution of a volatile solvent and non-volatile solute is in equillibrium with the vapours, the vapour phase will be rich in

  1. solute
  2. solvent
  3. atmospheric nitrogen
  4. water vapours
Question 20 Multiple Choice (Single Answer)

Which of the following gases has rotten egg smell?

  1. Hydrogen sulphide
  2. Hydrogen chloride
  3. Sulphur dioxide
  4. Sulphur trioxide
Question 21 Multiple Choice (Single Answer)

Which of the following is not a unit of pressure?

  1. Pascal
  2. Atmosphere
  3. Bar
  4. Hertz
Question 22 Multiple Choice (Single Answer)

In negative deviation from Rault's law:

  1. A-A interactions = B-B interactions = A-B interactions.
  2. A-A interactions = B-B interactions # A-B interactions.
  3. A-B interactions are more than that of A-A and B-B.
  4. A-B interactions are less than A-A and B-B.
Question 23 Multiple Choice (Single Answer)

Why is the soda water bottles sealed at high pressure?

  1. To make the cork tight
  2. To decrease the temperature
  3. To increase the solubility of carbon dioxide
  4. To mix the liquids properly
Question 24 Multiple Choice (Single Answer)

What is the possible value of order of the reaction ?

  1. 3/4
  2. -3
  3. 50
  4. Square root of 2.
Question 25 Multiple Choice (Single Answer)

A zero order reaction means

  1. the rate of reaction is independent of the concentration of reactants
  2. the rate of reaction is independent of the concentration of the products
  3. the rate of reaction is independent of the concentration of reactants and products
  4. the rate the reaction is equal to the concentration of products divided by that of the reactants
Question 26 Multiple Choice (Single Answer)

Which of the following is a strong electrolyte?

  1. Ethyl alcohol.
  2. Acetic acid.
  3. Benzoic acid.
  4. Sodium chloride.
Question 27 Multiple Choice (Single Answer)

When hydrogen gas is taken in a closed vessel containing charcoal:

  1. pressure of the gas increases.
  2. pressure of the gas decreases.
  3. volume of the gas increases.
  4. volume of the gas decreases.
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