Home
Class 12
CHEMISTRY
Statement-I: When mercuric iodide(s) is ...

Statement-I: When mercuric iodide(s) is added to the aqueous solution of `KI`, the freezing point is raised.
Because
Statement-II: `HgI_(2)` reacts with `KI` forming complex ion `[Hg]_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Statement-I: H_(2)+O_(2) fuel cell gives a constant voltage throughout its life. Because Statement-II: In this fuel cell, H_(2) reacts with OH^(-) ions yet the overall concentration of OH^(-) ions does not change.

Statement-I: If an aqueous solution of NaCI is electrolysed, the product obtained at the cathode is H_(2) gas and no Na. Because Statement-II: Gases are liberated faster than the metals.

Statement-I: If decimolal solution of sodium chloride boils at 101.2^(@)C , then decimolal solution of calcium chloride will also boil at the same temperature. Because Statement-II: For same molal concentration of aqueous solutions of electrolytes, the elevation of boiling point may not be same.

Statement-I: In the Daniel cell, if concentration of Cu^(2+) and Zn^(2+) ions are doubled the emf of the cell will not change. Because Statement-II: If the concentration of ions in contact with the metals is doubled, the electrode potential is doubled.

Statement-I: Polar solvent slows down S_(N^(2)) reaction. Because Statement-II: CH_(3)-Br is less reactive than CH_(3)CI .

A current of 2.68A is passed for one hour through an aqeous solution of CuSO_(4) using copper electrodes. Select the correct statement (s) from the following

Statement-I: 0.02m solutions of urea and sucrose will freeze at same temperature. Because Statement-II: Freezing point of a solution is inversely proportional to the conc. of solution.

Statement-I : A reactant that is entirely consumed when a reaction goes to completion is known as limiting reactant. Because Statement-II : The amount of reactant limits the amount of product formed.

When dil. H_2SO_4 is added to aqueous solution of Potassium chromate, yellow colour of solution turns to orange colour. It indicates ......