(a)(i) What are acidic oxides?

(ii) Give one example of each of the following oxides: I. acidic oxide; II. basic oxide; III. amphoteric oxide; IV. neutral oxide

 

(b)(i) Define each of the following terms;  I. Heat II. Heat of neutralization

(ii) Weite the above  an equation to illustrate each of the terms in (b)(i) above

(ii) Given that the standard heat of combustion of butane (C\(_4\)H\(_{(10)}\) is + 5877 kJmol\(^{-1}\), calculate the heat of 14.5 g butane. [ H = 1, = 12 ]

 

(c) (i) Name two allotropes of sulphur

(ii) State one difference between the two allotropes.

 

(d)(i) Give two characteristics of noble eases

(ii) State one use each of I. He; II. Ar.

 

(e) State what is observed on warming ammonium trioxonitrate (V) with sodium hydroxide.