A) propanone
B) propane
C) propanal
D) propanol
Correct Answer: C
Solution :
All aldehydes give silver mirror test. \[\underset{\begin{smallmatrix} Tollens\,reagent \\ Ammonical\,AgN{{O}_{3}} \end{smallmatrix}}{\mathop{C{{H}_{3}}C{{H}_{2}}CHO+2{{[Ag{{(N{{H}_{3}})}_{2}}]}^{+}}+2O{{H}^{-}}\xrightarrow{{}}}}\,\] \[\underset{Silver\,mirror}{\mathop{C{{H}_{3}}C{{H}_{2}}CO{{O}^{-}}+N{{H}_{3}}^{+}+2Ag+{{H}_{2}}O+3N{{H}_{3}}}}\,\]
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