Which of the following is the general formula for alkynes?

Pure acetylene has sweet ethereal smell while impure smells like garlic due to presence of:

Hex – 2 – yne changes to hex – 1 – yne by using

When 2-butyne is treated with ${\rm{Pd}} - {\rm{BaS}}{{\rm{O}}_4}$; the product formed will be

Which of the following is the correct order of decreasing acidity of the given compounds? (I) ethane (II) ethene (III) ethyne

Which reagent is used to distinguish between but-1-yne and but-2-yne?

An alkyne 'X' with molecular formula $C_5H_8$ on ozonolysis yields a mixture of propanoic acid and acetic acid. The alkyne 'X' is:

Which of the following will yield trans product from butyne?

The carbide which reacts with water to form ethyne is

Which of the following compounds react with, an aqueous solution of ${\rm{Ag}}{\left( {{\rm{N}}{{\rm{H}}_2}} \right)_2}{\rm{OH}}$?

${\rm{CH}} \equiv {\rm{CH}} + {\rm{HBr}} o X,product\;X$ is