A) it is more soluble in water
B) it is cheaper than ammonium sulphate
C) it is quite stable
D) it does not cause acidity in the soil
Correct Answer: D
Solution :
Urea is one of the most important fertilizer as it does not change pH of soil. Urea, after hydrolysis gives ammonia and \[C{{O}_{2}}\]. Ammonia is taken up by plants leaving behind \[C{{O}_{2}}\]. \[C{{O}_{2}}\] is a very weak acidic oxide. It does not affect pH of soil \[\underset{urea}{\mathop{N{{H}_{2}}CON{{H}_{2}}}}\,\xrightarrow{{{H}_{2}}O}2N{{H}_{3}}=C{{O}_{2}}\]
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