Given below are two statements | Hydrogen

JEE MAIN 2021

18-03-21 S1

Question

Given below are two statements: One is labelled as Assertion $A$ and the other labelled as reason $R$
Assertion A : During the boiling of water having temporary hardness, $\mathrm{Mg}\left(\mathrm{HCO}_3\right)_2$ is converted to $\mathrm{MgCO}_3$.
Reason $\mathbf{R}$ : The solubility product of $\mathrm{Mg}(\mathrm{OH})_2$ is greater than that of $\mathrm{MgCO}_3$.
In the light of the above statements, choose the most appropriate answer from the options given below:

Select the correct option:

Both A and R are true but R is not the correct explanation of A

A is true but R is false

Both A and R are true and R is the correct explanation of A

A is false but R is true

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution