Which of the following statements about Hydrogen gas is correct?
1
The electrolysis of acidified water using platinum electrodes gives high purity hydrogen gas
2
Hydrogen gas is obtained as a by-product in the manufacturing of Barium hydroxide.
3
The H—H bond dissociation enthalpy in hydrogen is the highest for a single bond between two atoms of any element.
4
Presently ~77% of the industrial dihydrogen is produced from brine solution.