Question

Statement 1 : A 0.2 M solution of carbonic Acid is a weaker conductor of electricity than a 0.2 M solution of $HBr$.
Statement 2 : In solutions with the same concentration of solute molecules, $H_2{CO}_3$ is less dissociated than $HBr$.

• A. Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.
• B. Both Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.
• C. Statement 1 is correct but Statement 2 is not correct.
• D. Statement 1 is not correct but Statement 2 is correct.
• E. Both the Statement 1 and Statement 2 are not correct.

Answer 1

The correct option is A

Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.

The conjugate base produced by $H_{2}C{O}_3$ is very strong, it will gain proton as soon as it is created. Therefore, $H_{2}C{O}_3$ is a weak acid, hence, it will conduct lesser than $HBr$ which is more dissociated and will conduct more electricity due to more number of ions.