Kurukshetra University 2008 A.M.I.E.T.E Information Technology Chemistry - Question Paper

(iii) liquor ammonia and liquid ammonia (iv) Copper (II) oxide and copper (II) chloride
(v) Potassium sulphate and ammonium sulphate;
(A) conc. hydrochloric acid (B) Ammonia gas (C) Barium chloride (D) Phenolphthalein
(E) Sodium hydroxide.
(f) select the compounds from (A),(B),(C),(D) and (E) to match the description (i) to (v) provided beneath :
(A) NH4Cl, (B) Ag(NH3)2Cl,(C) AgCl, (D) FeCl2, (E) PbCl2
(i) A soluble salt found on reaction of a metallic chloride with liquor ammonia.
(ii) A salt which is insoluble dilute nitric acid but soluble in ammonium hydroxide.
(iii) A salt found on reaction of an active metal with hydrogen chloride gas.
(iv) A salt found when a basic gas reacts with hydrogen chloride gas.
(v) A salt soluble in hot water but not in cold, found on heating an oxidizing agent with conc. HCl.
(g) Name a metal from the activity series which (i) forms an oxide on exposure to air, (ii) displaces hydrogen from steam, (iii) does not react with dilute HCl or H2SO4, (iv) forms an oxide and hydroxide soluble in water and (v) forms a nitrate which on thermal decomposition metal is left.
(h) Match the statements in (i) to (v) selecting from (A) to (J) provided beneath :
(A) Anode, (B)Cathode, (C) Sucrose solution, (D) Cl1-, (E) Formic acid, (F) Ammonia, (G) Electrometallurgy, (H) Mg2+, (I) Electrorefining, (J) Sulphur dioxide :
(i) A compound which contains molecules only.
(ii) A compound which ionizes in solution but not in gaseous state.
(iii) An ion which accepts electrons from the cathode and is decreased to neutral atoms.
(iv) The electrode to which the cyanide ions of Na[Ag(CN)2] solution in water migrate during electrolysis.
(v) An application of electrolysis in which the anode does not generally diminish in its size.

Earning:   Approval pending.