CHEMISTRY 1.
(a) Give the IUPAC names of the following complex compounds:-
(1) (CO(H2O).JC13 (ii) [Cr(en) Cl2)* (iii) [Mn(NH3)6]S04.3H2O
(iv) K[Fe(CN)6] (v) [Co(en)2Br2]C1.5H2O (vi) [Fe(NH3)3Br Cl]NO3
(vii) [Co(CN)6]Cl3 (viii) [Co(NH3)6]2[Zn(CN)4]3 (ix) [CoF4(H2O)
(b) With reasons in the following atomic species say whether they can form colour or not.
(i) Cut
(ii) Zn2+
(iii) Co?
(vi) Fe
2+
(iv) Mn7+
(v) A12+

the correct answer is boyle

a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.