Write the formulae for the following compounds.
a) Mercury (II) chloride
b) Nickel (II) sulphate
c) Tin (IV) oxide
d) Thallium (I) sulphate
e) Iron (III) sulphate
f) Chromium (III) oxide.

Write the formula of the following coordination compound Mercury(I) tetrathiocyanatocobaltate (III).

Write the formulae for the follow Co-ordination compounds Tris (ethane-1, 2-diamine) chromium (III) chloride

Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine to Hydrogen chloride (ii) Barium chloride + Aluminium sulphate to Barium sulphate + Aluminium chloride (iii) Sodium + Water to Sodium hydroxide + Hydrogen

Write all the factors of the following numbers. i. 36 ii. 23 iii. 96 iv. 115

Write a balanced chemical equation with state symbols for the following reactions. (i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride. (ii) Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.

Give structural formulae and IUPAC names of the following compounds : (I ) Tert-Amyl chloride , (ii) sec-buty, iodide , (iii ) neo-Hexyl bromide and (iv ) Iso-pentyl chloride

Write the formula of the following coordination compounds: (a) Amminebromidochloridonitrito-O-platinum(II) ion (b)Dichloridobis(ethane-1,2-diammine)platinum(IV) nitrate (c) Diaquatetrahydroxoaluminate(III) ion ( d) Mercury(I) tetrathiocyanatocobaltate(III).