(a) Give one example of; (i) heavy chemicals (ii)... | WAEC SSCE - Chemistry - 1988 (Essay)

Question 1 Report

(a) Give one example of;

(i) heavy chemicals

(ii) fine chemicals

(b) Write the structural formulae and the names of compounds having the formula CH\(_4\)CI,

Answer

Answer Details

(a) Examples

Heavy chemical: tetraoxosulphate (VI) acid, H₂SO₄ (sodium hydroxide, ammonia or sodium trioxocarbonate (IV) are also acceptable). Heavy chemicals are produced on a very large scale and sold cheaply.
Fine chemical: a drug such as aspirin (dyes, perfumes and photographic chemicals are also acceptable). Fine chemicals are produced in small quantities, are of high purity and are relatively expensive.

(b) Compounds with the formula C₄H₉Cl

The molecular formula C₄H₉Cl has four structural isomers:

(a) Give one example of; (i) heavy chemicals (ii) fine chemicals (b) Write the structural formulae and the names of compounds having the formula CH\(_4\)CI,