Assertion (A): Molar conductivity of ${\mathrm{CH}}_3\mathrm{COOH}$ increases with dilution
Reason (R): The graph between  ${\mathrm{\lambda }}_{\mathrm{m}}$ v/s ${\left(\mathrm{C}\right)}^{1/2}$ is a straight line
 

If both (A) and (R) are true and (R) is the correct explanation of (A) 

If both (A) and (R) are true and (R) is not the correct explanation of (A) 

If (A) is true but (R) is false 

If both (A) and (R) are false