Chemistry
Which of the following will dissociate in aqueous solution, to give a positive ion other than hydronium ion, and a negative ion other than hydroxyl ion?
- KOH
- dil. HCl
- NaCl
- CH3COOH
Related Questions
A compound P is heated in a test tube with sodium hydroxide solution. A red litmus paper held at the mouth of the test tube turns blue. Which of the following could compound P be?
- zinc sulphate
- copper sulphate
- ferrous sulphate
- ammonium sulphate
Assertion (A): Aqueous solution of potassium chloride can conduct electricity.
Reason (B): Conduction of electric current is due to the presence of free ions.
- (A) is true and (R) is false.
- (A) is false and (R) is true.
- Both (A) and (R) are true and (R) is the correct explanation of (A).
- Both (A) and (R) are true, but (R) is not the correct explanation of (A).
Identify the ion that contain one lone pair of electrons.
- OH-1
- H3O+
- NH4+
- H+
Four reactions are shown below in the diagram:
Which reactions produce water?
- 1 and 2
- 1 and 3
- 3 and 4
- 2 and 3