English Medium कक्षा १० - CBSE Important Questions for Science

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 :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. 

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

Compare the properties of ionic compounds and covalent compounds.