Why is :
(a) concentrated sulphuric acid kept in air tight bottles ?
(b) H2SO4 is not used as a drying agent for H2S ?
(c) sulphuric acid used in the preparation of HCI and HNO3 ? Give equations in both cases.
Iodine solution is prepared using 0.3g of Iodine and __________________ in 100ml of water.
In the Iodination of alkane, Some HIO3 is added so that :