The isotopes of hydrogen and their mass ratio are -
1. Protium, Deuterium, Tritium ; 3:2:3
2. Protium, Deuterium, Tritium ; 1:2:3
3. Protium, Deuterium, Tritium ; 2:2:3
4. Protium, Deuterium, Tritium ; 3:2:1
The colour of hydrogen is –
1. Blue
2. Yellow
3. Orange
4. No colour
The catalyst used to increase the production of H2 , by ‘coal gasification' process is -
1. Copper
2. FeCr2O4 (iron chromate)
3. Pd/C
4. None of the above.
The incorrect statement among the following regarding hydrogen is -
1. Hydrogen never acts as a cation in Ionic salts
2. Hydronium ion, H3O+, exists freely in a solution
3. Dihydrogen does not act as a reducing agent
4. Hydrogen has three isotopes of which Protium is the most common