Halogens are coloured and the colour deepens on moving down in the group from fluorine to iodine.
Explain why:
Hydride of sulphur is a gas while hydride of oxygen is a liquid.
(a) H2O form hydrogen bonds, hence its a liquid.
(b) In H2S hydrogen bonding is not possible.
Give balanced equations for the following reaction:
Acetic acid reacts with phosphorous pentachloride.
Give one chemical test each to distinguish between the following pairs of compounds:
(1) Ethanol and acetic acid
(2) Acetaldehyde and benzaldehyde