JEE Chemistry Solved Question Paper 2014 | Previous Year Papers | Zigya

Subject

Chemistry

Class

JEE Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

Advertisement
1.

The solubihty of AgI in NaI solution is less than that in pure water because

  • Agl forms complex with Nal

  • of common ion effect

  • solubility product of AgI less

  • the temperature of the solution decreases


2.

Hydrogen ion concentration in mol/L in a solution of pH = 5.4 will be

  • 3.98 × 108

  • 3.88 × 106

  • 3.68 × 10-6

  • 3.98 × 10-6


3.

XY2 dissociated as XY2(g) XY(g) + Y (g) When the initial pressure of XY2 is 600 mm Hg, the total equilibrium pressure is 800 mm Hg. Calculate K for the reaction assuming that the volume of the system remains unchanged.

  • 50

  • 100

  • 166.6

  • 400.0


4.

For the following equilibrium, N2O4 2NO2 in the gaseous phase, NO2 is 50% of the total volume when equilibrium is set up. Hence, per cent of dissociation of N2Ois

  • 50%

  • 25%

  • 66.66%

  • 33.33%


Advertisement
5.

Of the given anions, the strongest Bronsted base is

  • ClO-

  • ClO3-

  • ClO2-

  • ClO4-


6.

Which of the following will violate Pauli's exclusion principle?

  • Both (a) and (b)

  • None of the above


7.

The bond order of H2- ion is 12. If it has 2 bonding electron, how many antibonding electrons it will have?

  • 4

  • 3

  • 2

  • 1


8.

Ni2+ ion (Z= 28) contains unpaired electrons

  • 1

  • 2

  • 3

  • 5


Advertisement
9.

The bond angle is maximum in PI3,which is

Iodide PI3 AsI3 SbI3
Bond angle 102 100°2' 99°
  • due to small size of P

  • due to more bp-bp repulsion in PI3

  • due to less electronegativity of P

  • None of the above


10.

The radius of H-atom in its ground state is 0.58Å .The radius of, 3Li2+ ithe similar state is

  • 0.1777 Å

  • 0.706 Å

  • 1.06 Å

  • 0.058 Å


Advertisement