Tollen's reagent is [KCET 1990]

1.	Tollen's reagent is [KCET 1990]
A.	\[{{\left[ Ag{{\left( N{{H}_{3}} \right)}_{2}} \right]}^{+}}\]
B.	\[A{{g}_{2}}O\]
C.	\[{{\left[ Cu{{\left( OH \right)}_{4}} \right]}^{2-}}\]
D.	\[C{{u}_{2}}O\]
Answer» B. \[A{{g}_{2}}O\]

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Tollen's reagent is [KCET 1990]

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