Alkynes

The product X is

The correct statement with respect to product Y is

The major organic compound formed by the reaction of 1, 1, 1- trichloroethane with silver powder is :

Which one of the following class of compounds is obtained by polymerization of acetylene ?

The reagent needed for converting $\ce{Ph-C#C-Ph}$ into trans-stilbene ($\ce{PhCH=CHPh}$, the two Ph groups on opposite sides of the double bond) is :

The structure of compound P is

The structure of the compound Q is

The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respectively are

The structure of product L is

The reagent(s) for the following conversion, 1,2-dibromoethane → ethyne (H-C≡C-H), is/are

Match the compounds/ions in Column I with their properties/reactions in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 × 4 matrix given in the ORS.