MCQ
$1-$ Butyne can be distinguished most easily from $2-$ butyne by
- Abromine water
- Bozonolysis
- ✓Tollen’s reagent
- D$KMnO_4$ solution
✓
Answer
Correct option: C.
Tollen’s reagent
c
Tollen's reagent is ammonical silver nitrate which reacts with $1-$ alkynes to form white percipitate of silver alkynide.
Tollen's reagent is ammonical silver nitrate which reacts with $1-$ alkynes to form white percipitate of silver alkynide.
$C{{H}_{3}}C{{H}_{2}}C\equiv CH+\underbrace{AgN{{O}_{3}}+N{{H}_{4}}OH}_{{}}\to $
$\underset{white\,ppt.}{\mathop{C{{H}_{3}}C{{H}_{2}}C\equiv CAg}}\,\downarrow +N{{H}_{4}}N{{O}_{3}}+{{H}_{2}}O$
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