English Medium Class 10 - CBSE Important Questions

Write the next homologue of the following: C₄H₆

Name the compound formed when ethanol is heated in excess of conc. sulphuric acid at 443 K. Also, write the chemical equation of the reaction stating the role of conc. sulphuric acid in it. What would happen if hydrogen is added to the product of this reaction in the presence of a catalyst such as palladium or nickel?

Classify the following carbon compounds into two homologous series and name them.

C₃H₄, C₃H₆, C₄H₆, C₄H₈, C₅H₈, C₅H₁₀

Write the name and formula of the 2nd member of homologous series having general formula C_nH_2n.

Write the name and formula of the 2nd member of homologous series having general formula C_nH_{2n + 2}.

Write the name and formula of the 2nd member of homologous series having general formula C_nH_{2n – 2}.

What are esters ?

How esters are prepared ?

List two uses of esters.

Butanone is a four-carbon compound with the functional group:

Write the molecular formula of first two members of homologous series having functional group -Cl.

Complete the following chemical equations:CH₃COOC₂H₅+NaOH→

Complete the following chemical equations :CH₃COOH+NaOH→

Complete the following chemical equations:

C₂H₅OH+CH₃COOH`("conc."H_2SO_4)/`>

Write the molecular formula of first two members of homologous series having functional group −Br.

Complete the following chemical equations :CH₃COOH + Na₂CO₃ →

Write the molecular formula of first two members of homologous series having functional group – OH

Complete the following chemical equations: CH₃COOH+NaHCO₃→

Write the molecular formula of the 2^nd and the 3^rd member of the homologous series whose first member is methane.

Write the molecular formula of the 2^nd and 3^rd member of the homologous series whose first member is ethene.