Account for the following : (a) White silver chloride turns grey when exposed to sunlight. (b) Lead (II)…
Account for the following :
(a) White silver chloride turns grey when exposed to sunlight.
(b) Lead (II) nitrate on heating releases brown fumes.
(c) Bags of oil and fat containing food items are flushed with nitrogen gas.
Solution
(a) Decomposition of silver chloride (AgCl) to form silver (Ag)
(b) Decomposition of lead nitrate releases NO2 / Nitrogen dioxide
(c) To prevent the oxidation of fats in food items.