A) \[CaNCN\]
B) \[N{{H}_{2}}CON{{H}_{2}}\]
C) \[KN{{O}_{3}}\]
D) \[N{{H}_{4}}N{{O}_{3}}\]
Correct Answer: A
Solution :
Calcium cynamide is the slow acting nitrogenous fertilizer as it decomposes very slowly. \[CaNCN+2{{H}_{2}}O\xrightarrow{{}}CaC{{O}_{3}}+\underset{urea}{\mathop{N{{H}_{2}}CON{{H}_{2}}}}\,\] \[N{{H}_{2}}CON{{H}_{2}}+{{H}_{2}}O\xrightarrow{{}}C{{O}_{2}}+2N{{H}_{3}}\] \[N{{H}_{3}}\xrightarrow[bacteria]{Nitrifying}\text{Soluble}\,\text{nitrates}\xrightarrow{{}}Plants\]
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