EASY
11th Odisha Board
IMPORTANT
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Why is sodium carbonate solution alkaline?

Important Questions on Equilibria

MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 15
10 mL of N5 alkali is mixed with 20 mL of N10 acid. What is the pH of the resultant solution?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 16
Why is the pH of a solution of cupric sulphate solution is less than 7.0?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 17
What will be the value of ∆G, when a reaction at constant temperature and pressure is at equilibrium?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 18
Which substance makes a buffer with acetic acid? What happens to the pH when a small quantity of HCl is added to such a mixture?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 19
Why it is necessary to add dilute HCl before passing H2S for precipitating Group-II cations?
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 20
Name one factor which influences the solubility of a solid in a solvent.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 21
Write the conjugate acid of OH- and NH3.
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 9 - Equilibria>QUESTIONS>Q 22
Distinguish between ionic product and solubility product.