Who discovered hydrogen and by whom it was named?
Hencry Cavendish discovered Hydrogen in 1766 AD.
Antoine Lavoisier named Hydrogen in 1783 AD.
Source:Hydrogen - Wikipedia
Nascent hydrogen is powerful reducing agent than molecular hydrogen which can be proved by following reaction : explain the reactions
(i). Acidified potassium test reaction
(ii). Acidified potassium dichromate test reaction
(iii). Acidified ferric chloride test reaction
(iv). Acidified NaNO3 or KNO3 test reaction