Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

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
591.

Predict the product of reaction of I2 with H2O2 in basic medium

  • I-

  • I2O3

  • IO3-

  • I3-


592.

Which of the following is not hygroscopic?

  • CsCl

  • MgCl2

  • CaCl2

  • LiCl


593.

What is the pH of0.01 M glycine solution? For glycine Ka1= 4.5x10-3 and Ka2=1.7x10-10 298 K.

  • 3.0

  • 10.0

  • 7.06

  • 8.2


594.

Which of the following is not a characteristic of equilibrium?

  • Rate is equal in both directions

  • Measurable quantities are constant at equilibrium.

  • Equilibrium occurs in reversible condition.

  • Equilibrium occurs only in open vessel at constant temperature.


Advertisement
595.

25 mL, 0.2 M Ca(OH)2 is neutralised by 10 mL of 1 M HCI. Then pH of resulting solution is

  • 1.37

  • 9

  • 12

  • 7


596.

2SO2 (g) + O2 (g) V2O5 (s)  is an example for :

  • neutralisation reaction

  • homogeneous catalysis

  • heterogeneous catalysis

  • irreversible reaction


597.

In equilibrium state , the value of G is :

  • zero

  • negative

  • positive

  • may be negative or positive


598.

Which one of the following salts on being dissolved in water gives pH > 7 at 25°C ?

  • KCN

  • KNO3

  • NH4Cl

  • NH4CN


Advertisement
599.

Assertion : AgCl is more soluble in NH3 than in water.

Reason : Ammonia is more polar than water.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false


600.

Assertion : The equilibrium constant is fixed and a characteristic for any given chemical reaction at a specified temperature.

Reason: The composition ofthe final equilibrium mixture at a particular temperature depends upon the starting amount of reactants.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


Advertisement