Question

7. Classify the following compounds as
(i) Strong electrolytes (ii) Weak electrolytes (ii) Non-electrolytes
Sodium chloride solution, Lead bromide solution, Wax, Petrol, Potassium sulphate solution,
Sodium sulphate solution, Diesel, Ethyl alcohol, Ammonium carbonate solution, Methyl alcohol,
Solid Sodium chloride, Benzene, Toluene, Carbon tetrachloride, Carbon disulphide, Potassium
chloride solution, Carbonic acid, dilute Sulphuric acid, Sodium hydroxide solution, Potassium
hydroxide solution, Ammonium hydroxide solution, Sugar solution, Ammonium phosphate,
Mallic acid, Citric acid, Oxalic acid, Uric acid, Benzaldehyde. Acetic acid, ammonium chloride,
dil. hydrochloric acid, sodium acetate.
(i) Strong electrolytes
(ii) Weak electrolytes (iii) Non-electrolytes.​

Answer 1

Answer:

Strong Electrolytes

strong acids

HCl, HBr, HI, HNO3, HClO3, HClO4, and H2SO4

strong bases

NaOH, KOH, LiOH, Ba(OH)2, and Ca(OH)2

salts

NaCl, KBr, MgCl2, and many, many more

Weak Electrolytes

weak acids HF, HC2H3O2 (acetic acid), H2CO3 (carbonic acid), H3PO4 (phosphoric acid), Mallic acid, Citric acid, Oxalic acid, Uric acid

weak bases

NH3 (ammonia), C5H5N (pyridine), and several more, all containing "N

non electrolytes

Glucose, a sugar, is a nonelectrolyte