Chemistry
The following questions are pertaining to the laboratory preparation of hydrochloric acid.
(a) Name the reactants used during the laboratory preparation of hydrochloric acid.
(b) Give suitable reason for choosing the reactants for laboratory preparation.
(c) Write balanced chemical equation for the reaction taking place below 200°C.
Related Questions
The following questions relate to mole concept.
(a) the volume of 320 g of SO2 at STP.
(Atomic mass of S = 32 and O = 16)
(b) the mass of 1022 atoms of sulphur.
[Atomic mass : S = 32 and O = 16, Avogadro's number (NA) = 6.022 x 1023]
For each of the substances given below, what is the role played in extraction of ZnO and Al respectively.
(a) Coke
(b) Cryolite
Give reasons
(a) Liquid ammonia is used as a refrigerant in ice plants.
(b) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
(c) A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Name the functional group in the following organic compounds.
(a) CH3COOH
(b) (H3C)3C-OH
(c) CH3CH2COOH