Chemistry
Answer
(a) Molar volume — The molar volume of a gas is the volume occupied by one gram-molecular mass or by one mole of the gas at S.T.P. It is equal to 22.4 dm3.
(b) Normal salt — Normal salt is formed by complete replacement of the replaceable hydrogen ion of an acid molecule by a basic radical [metallic or ammonium ion].
Related Questions
Mohan has three solutions P, Q and R having a pH of 13, 5 and 2 respectively. Which of the above solutions P, Q or R:
(a) will react with Magnesium to liberate hydrogen gas?
(b) will liberate ammonia gas when it reacts with ammonium chloride?
(c) will contain molecules as well as ions?
The following table is related to an Industrial process of an acid.
Name of the process Reactant Catalyst Final product (a) SO2 + O2 (b) (c) Identify (a), (b) and (c).
Draw the electron dot structure of:
(a) Methane molecule
(b) Nitrogen molecule
[Atomic number: N = 7, C = 6, H = 1]