JAMB - Chemistry (1981 - No. 22)
In the reaction of oxygen with hydrogen to produce water, which of the following statements is true?
One atom of hydrogen reacts with two atoms of oxygen to give one molecule of water
Two atoms of hydrogen react with two atoms of oxygen to give two molecules of water
One molecule of oxygen reacts with one molecule of hydrogen to give two molecules of water
One molecule of hydrogen reaccts with two molecules of oxygen to give three molecules of water
One molecule of oxygen reacts with two molecules of hydrogen to give two molecules of water
Explicaţie
The oxidation of hydrogen by oxygen gives water and a certain amount of heat of formation.