EASY
11th Odisha Board
IMPORTANT
Earn 100

Define gram molecular mass.

Important Questions on Basic Concepts Atoms & Molecules

EASY
11th Odisha Board
IMPORTANT
Write the merits of Avogadro's hypothesis. 
 
HARD
11th Odisha Board
IMPORTANT

State Avogadro's hypothesis. What are its applications? The vapour density of a gas is 11.2. Calculate the volume occupied by 1.6 grams of the gas at STP.

HARD
11th Odisha Board
IMPORTANT

State and explain Avogadro's hypothesis. Derive the relations between molecular mass and vapour density of a gas.

MEDIUM
11th Odisha Board
IMPORTANT

Determine the atomicity of oxygen by applying Avogadro's law.

MEDIUM
11th Odisha Board
IMPORTANT

Derive from the Avogadro's law that molecular mass is equal to mass of 22.4 litres of gas or vapour at NTP.

HARD
11th Odisha Board
IMPORTANT

State and explain Avogadro's law. How does it explain Gay-Lussac's law of gaseous volumes. How it could discard Berzelius's hypothesis?

HARD
11th Odisha Board
IMPORTANT
State and explain Avogadro's hypothesis. How is the hypothesis applied to determine the gram molecular mass and molecular formulae of gases?
HARD
11th Odisha Board
IMPORTANT

Derive the relationship between molecular mass and vapour density of gas from Avogadro's hypothesis. 0.796 g of a metal oxide was heated in a current of dry hydrogen when 0.18 g of water was formed. Calculate the equivalent mass of the metal.