Chemistry
The following diagram shows an experimental set up for the laboratory preparation of pungent choking gas. The gas is acidic in nature.
(a) Name the gas collected in the jar and write the balanced chemical equation for the above preparation.
(b) How is the gas purified?
(c) Write the reaction of the gas produced with magnesium and ammonia.
Related Questions
Identify the following.
(a) Anode used in the electro refining of copper.
(b) A strong but non-volatile mineral acid.
(c) Name the process by which bauxite ore is purified.
(d) Name the process by which purified bauxite undergoes electrolytic reduction.
(e) The process of formation of positive and negative charge ions from molecules which are not initially in the ionic state.
Match the following Column I with Column II.
Column I Column II (a) Aluminium salts 1. H2SO4 (b) Fountain experiment 2. NH3 (c) Contact process 3. Solubility of hydrogen chloride (d) Fe(OH)3 4. Colourless (e) Haber's process 5. Reddish brown ppt. Complete the following by choosing the correct answers from the bracket.
(a) The tendency of an atom in a molecule to attract the shared pair of electrons towards itself is called …………… (electronegativity / electron affinity).
(b) Electrolysis of aqueous copper sulphate will form …………… (copper metal / copper (II) ions) at cathode.
(c) Quick lime is not used to dry HCl gas because it is …………… (alkaline/acidic) in nature.
(d) The fusible compound formed by the combination of flux and gangue is called …………….(mineral/slag).
(e) …………… (Hydrochloric acid/Acetic acid) is used in the digestion of proteins.
(a) Draw the structural formula for the following.
(1) 1,1-dichloroethane
(2) Butyne
(3) Ethan-1-al
(b) Name the following organic compounds in IUPAC system.
