A) \[\text{CO}_{3}^{2-}\]
B) \[B{{F}_{3}}\]
C) \[\text{NO}_{3}^{-}\]
D) \[N{{H}_{3}}\]
Correct Answer: D
Solution :
Ethyl alcohol give positive iodoform test (i.e., yellow ppt with l2 and\[\text{NaOH}\]). \[\text{C}{{\text{H}}_{3}}\text{C}{{\text{H}}_{\text{2}}}\text{OH}+\text{4}{{\text{I}}_{\text{2}}}+\text{6NaOH}\xrightarrow{{}}\] \[\underset{yellow}{\mathop{\text{CH}{{\text{I}}_{\text{3}}}\downarrow }}\,+\text{ 5NaI}+\text{C}{{\text{H}}_{\text{3}}}\text{COONa}+\text{3}{{\text{H}}_{\text{2}}}O\]
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