Chemistry · 2021
JEE Main · 18 March 2021, Shift 1 · Q36
Given below are two Statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: During the boiling of water having…
Given below are two Statements : One is labelled as Assertion A and the other is labelled as Reason R :Assertion A : During the boiling of water having temporary hardness, $\displaystyle \mathrm{Mg}\left(\mathrm{HCO}_3\right)_2$ is converted to $\displaystyle \mathrm{MgCO}_3$.
Reason R : The solubility product of $\displaystyle \mathrm{Mg}(\mathrm{OH})_2$ is greater than that of $\displaystyle \mathrm{MgCO}_3$.
In the light of the above statements, choose the most appropriate answer from the options given below :
Official answer
(4)
$\displaystyle \mathbf{A}$ is false but $\displaystyle \mathbf{R}$ is true
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.