Which of the following is an intensive property? from Chemistry

Subject

Chemistry

Class

JEE Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

For a stable molecule, the value of bond order must be

  • there is no relationship between stability and bond order

  • zero

  • positive

  • negative


2.

During the formation of a chemical bond

  • electron-electron repulsion becomes more than the nucleus-electron attraction.

  • energy of the system does not change.

  • energy increases

  • energy decreases


3.

Formation of coloured solution is possible when metal ion in the compound contains

  • paired electrons

  • lone pair of electrons

  • unpaired electrons

  • none of the above


4.

Dalton's law of partial pressure is applicable to which one of the following systems?

  • NH3 + HCl

  • NO + O2

  • H+ Cl2

  • CO + H2


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5.

In acetylene molecule, between the carbon atoms there are

  • three pi bonds

  • one sigma and two pi bonds

  • two sigma and one pi bonds

  • three sigma bonds


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6.

Which of the following is an intensive property?

  • temperature

  • viscosity

  • surface tension

  • all of these


D.

all of these

The properties of the system whose value is independent of the amount of substance present in the system are called intensive properties. e.g. viscosity, surface tension, temperature, pressure etc.


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7.

In equilibrium state the value of G is

  • zero

  • negative

  • positive

  • may be negative or positive


8.

In the ionic equation

-BiO3- + 6H+ + xe- → Bi3+ + 3H2O , the value of x is

  • 6

  • 2

  • 4

  • 3


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9.

Molarity of a given orthophosphoric acid solution is 3M. It's normality is

  • 9 N

  • 0.3 N

  • 3 N

  • 1 N


10.

A body of mass 10 mg is moving with a velocity of 100 ms-1. The wavelength of de-Broglie wave associated with it would be (h = 6.63 × 10-34 Js)

  • 6.63 × 10-35 m

  • 6.63 × 10-34 m

  • 6.63 × 10-31 m

  • 6.63 × 10-37 m


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