Chemistry Past Questions and Answers

In the reaction Fe + Cu<sup style='font-size: smaller;'>2+</sup> \(\to\) Fe<sup style='font-size: smaller;'>2+</sup> + Cu,iron displaces copper ions to from copper. This is due to the fact that

C<sub style='font-size: smaller;'>2</sub>H<sub style='font-size: smaller;'>5</sub> - C = CH<sub style='font-size: smaller;'>2</sub><br/>CH<sub style='font-size: smaller;'>3</sub><br/>The correct name of the compound with the above structural formula is

How many isomeric forms are there for the molecular formula C<sub style='font-size: smaller;'>3</sub>H<sub style='font-size: smaller;'>6</sub>Br<sub style='font-size: smaller;'>2</sub>?

A piece of burning sulphur will continue to burn in a gas jar of oxygen to give misty fumes which readily dissolved in water. The resulting liquid is

Sodium sulphate decahydrate (Na<sub style='font-size: smaller;'>2</sub>SO<sub style='font-size: smaller;'>4</sub>.10 H<sub style='font-size: smaller;'>2</sub>O) on exposure to air loses all its water of crystallization.<br/>The process of loss is known as