Four gases ethane, ethene, ethyne and propene are passed into a wolf bottle containing ammonical AgNO3 solution. Which gas will come out of wolf bottle?

Question

Four gases ethane, ethene, ethyne and propene are passed into a wolf bottle containing ammonical AgNO3 solution. Which gas will come out of wolf bottle? (A) Only ethyne (B) Ethane and ethyne (C) Ethane and ethane (D) Ethane, ethene and propene

Tardigrade Admin · Accepted Answer

Only ethyne react with ammonical AgNO 3 solution to give white ppt. of silver acetylide. It is due to having little acidic character. HC ≡ CH +2 AgNO 3+2 NH 4 OH arrow underset textwhiteAgC ≡ CAg downarrow +2AH4NO2 + 2H2O

Q. Four gases ethane, ethene, ethyne and propene are passed into a wolf bottle containing ammonical $A g N O_{3}$ solution. Which gas will come out of wolf bottle?

Only ethyne

Ethane and ethyne

Ethane and ethane

Ethane, ethene and propene

Only ethyne react with ammonical $A g N O_{3}$ solution to give white ppt. of silver acetylide. It is due to having little acidic character.
$H C \equiv C H + 2 A g N O_{3} + 2 N H_{4} O H \to white A g C \equiv C A g ↓ + 2 A H_{4} N O_{2} + 2 H_{2} O$

Q. Four gases ethane, ethene, ethyne and propene are passed into a wolf bottle containing ammonical AgNO3​ solution. Which gas will come out of wolf bottle?