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1990 WAEC Chemistry Theory (a) Name the type of solid structure possessed by: (i) diamond; (ii) iodine; (iii) sodium...

Chemistry
WAEC 1990

(a) Name the type of solid structure possessed by:

(i) diamond;

(ii) iodine;

(iii) sodium chloride.

 

(b) Give:

(i) one alloy of tin:

(ii) a common reducing agent which is a compound of tin.

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Explanation

(a)(i) Diamond is buckled hexagonal giant molecule

(ii) Iodine is covalent molecule.

(iii) Sodium chloride is face - centred cubic

 

(b)(i) An alloy of tin is bronze (Cu and Sn)

(ii) Tindichloride (SnCl\(_2\)).


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