EASY
11th Odisha Board
IMPORTANT
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Discuss Solvay process.

Important Questions on s-Block Elements:Alkali and Alkaline Earth Metals. Alkali Metals:(Group 1)

EASY
11th Odisha Board
IMPORTANT

Sodium metal cannot be obtained by the electrolysis of an aqueous solution of sodium chloride. Why?

EASY
11th Odisha Board
IMPORTANT

How is sodium hydroxide manufactured from Castner Kellner's process? Write the equations for the reactions which occur at each electrode.

EASY
11th Odisha Board
IMPORTANT

Comment on the following: Caesium is the most reactive among the alkali metals.

EASY
11th Odisha Board
IMPORTANT

Comment on the following: Alkali metals impart characteristic colours to the flame.

EASY
11th Odisha Board
IMPORTANT

Giving chemical equation state what happens when ammonia reacts on a mixture of K2CO3 and carbon at a high temperature.

EASY
11th Odisha Board
IMPORTANT
How is sodium isolated by Down's process? Write equations for the reactions involved. Why can sodium metal not be isolated by electrolysis of an aqueous solution of sodium chloride?
EASY
11th Odisha Board
IMPORTANT

Explain the following: Alkali metals are obtained by the electrolysis of their molten salts but not by the electrolysis of their aqueous solution.

EASY
11th Odisha Board
IMPORTANT

Explain the following: The softness of Group-I A metals decreases down the Group with increasing atomic number.