Advertisements
Advertisements
Question
If an electrolyte is described as a 'strong electrolyte' what does this mean?
Solution
If the electrolyte is described as 'strong electrolyte' it means it completely dissociates into its constituting ions in aqueous solution.
APPEARS IN
RELATED QUESTIONS
Powdered sodium chloride (common salt) does not conduct an electric current, but it does so when ______ or when ______.
Give reason for the following:
The ratio of hydrogen and oxygen formed at the cathode and anode is 2 : 1 by volume.
Fill in the blank :
The ions which discharge on the positive electrode during electrolysis ____________electrons. Thus, the ions are said to be _____________.
Choose the correct answer from the option given below:
Which among the following cations will discharge with ease at cathode?
Choose the correct answer from the option given below:
Which among the following anions will discharge with ease at anode?
Identify the following reactions as either oxidation or reduction : O + 2e- → O-2
Choose A, B, C or D to match the descriptions (i) to (v) below . Some alphabets may be repeated.
(A) Non-electrolyte, (B) Strong electrolyte, (C) Weak electrolyte, (D) Metallic conductor
(i) Molten ionic compound
(ii) Carbon tetrachloride
(iii) An aluminium wire
(iv) A solution containing solvent molecules, solute molecules and ions formed by the dissociation of solute molecules
(v) A sugar solution with sugar molecules and water molecules.
Element X is a metal with a valency 2. Element Y is a non-metal with a valency 3.
If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
In the electrolysis method of boron extraction the cathode is made of ______.
108 g of silver (molar mass 108 g mol-1) is deposited at cathode from AgNO3 (aq) solution by a certain quantity of electricity. The volume (in L) of oxygen gas produced at 273 K and 1 bar pressure from water by the same quantity of electricity is ______.
