SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)

Which one of ethane, ethene and ethyne will form a white precipitate with ammoniacal solution of silver nitrate?

Which one of alkane, alkene and alkyne will not decolourise bromine solution?

Identify the formula of alkane, alkene and alkyne from ${\mathrm{C}}_2{\mathrm{H}}_2, {\mathrm{C}}_2{\mathrm{H}}_6$ and ${\mathrm{C}}_2{\mathrm{H}}_4$.

Name a reagent which is used to distinguish between ethene and ethyne. (Ammoniacal silver nitrate/Chloroform)

Name the reagent with which ethyne gives a red precipitate.(Ammoniacal copper (I) chloride/Ammoniacal copper (II) chloride)

Name the aromatic compound which is obtained when ethyne is passed through heated iron tube.

Select the odd one out from the following list of compounds.

$\mathrm{A}: {\mathrm{CH}}_3\mathrm{OH} \mathrm{B}: {\mathrm{CH}}_3\mathrm{COOH} \mathrm{C}: {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH} \mathrm{D}: {\mathrm{C}}_4{\mathrm{H}}_9\mathrm{OH}$

Match the compounds ethanol, methane, ethanoic acid, ethyne and ethene with the descriptions given below:  

It forms methanol on oxidation in the presence of copper at $200°\mathrm{C}$.