JEE CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES

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Analyzing +4 | -1

Aqueous solution of a salt

+{MgSO}_4

solution

\rightarrow

no ppt. in cold

\xrightarrow{{{\text{Heating}}}}

a white ppt. appears. The salt contains the acidic radical:

View answer and explanation

Correct option: B

{HCO}_3^{-}

Option B (

HCO_3^−

) is correct because bicarbonate ions react with

MgSO_4

upon heating to form a white precipitate of

MgCO_3

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