The agent denoted as 'X' in the following reaction of nitrogen metabolism is
HNO3 +4H2 -------X------->NH3+3H2O
AAzotobacter
BClostridium
CMicrococcus
DThiobacillus
AAzotobacter
BClostridium
CMicrococcus
DThiobacillus
Related Questions:
During nitrogen fixation, ammonia is first oxidized to nitrite which is further oxidized to nitrate and the reactions are given below
2NH3+302 → 2NO2-+ 2H+ +2H20.....(i)
2NO2-+02→ 2NO3- ......(ii)
The reaction (i) is facilitated by the action of: