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Elements of Group 13, 14 and 15 — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryElements of Group 13, 14 and 152 Marks
Question
Explain the preparation of ammonia from nitrogeneous organic matter.
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Answer

Ammonia is formed by the decomposition of nitrogeneous organic matter such as urea. It is therefore, present naturally in small quantities in air and soil.
$\underset{\text { Urea }}{ NH _2 CONH _2}+\underset{\text { }}{2 H _2 O } {\longrightarrow}\left( NH _4\right)_2 CO _3 \rightleftharpoons \underset{\text { Ammonia }}{2 NH _3}+ H _2 O + CO _2$

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