`B_(2)H_(6)` reacts with `O_(2)` and `H_(2)O` respectively to form

in alkaline medium, H_(2)O_(2) reacts with Fe^(3+) and Mn^(@+) respectively to give :

H_2S reacts with O_2 to form

H_2 S react with O_2 to form

Photosynthesis of carbohydrates in plants takes place as 6CO_(2)+12H_(2)O overset(Sunlight)rarr C_(6)H_(12)O_(6)+6O_(2)+6H_(2)O Equivalent weights of CO_(2) and C_(6)H_(12)O_(6) respectively are

H_(2)S burns in O_(2) to form