Advertisements
Advertisements
Questions
What is meant by the term weak acid?
What is meant by weak acids?
Advertisements
Solution
An acid which is partially ionised in water and thus produces a small amount of hydrogen ions is called a weak acid.
RELATED QUESTIONS
State what would you observe when The salt ferric chloride is exposed to the atmosphere
Give two examples of a normal salt.
Name a chloride which is insoluble in cold water but dissolves in hot water.
Name a chloride which is insoluble.
Identify the odd one out and justify.
Define an acid salt.
Give the name and formula of the acid salt which gives sodium ions and sulphate ions in solution.
From the formulae listed below, choose one in each case corresponding to the salt having the given description :
AgCI, CuCO3, CuSO4.5H2O, KNO3, NaCI, NaHSO4, Pb(NO3), ZnCO3, ZnSO4.7H2O
(a) An acid salt
(b) An insoluble chloride
(c) On treating with concentrated sulphuric acid, this salt changes from blue to white.
(d) On heating this salt changes from green to black.
(e) This salt gives nitrogen dioxide on heating
State the inference drawn from the following observation :
On carrying out the flame test with a salt P a brick red flame was obtained. What is the cation in P?
Match the following in column A with the correct answer from the choices given in column B:
| Column A | Column B |
| 1. Ammonium hydroxide solution | (i) Contains only ions |
| 2. Dilute hydrochloric acid | (ii) Contains only molecules |
| 3. Carbon tetrachloride | (iii) Contains ions and molecules |
