NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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Analyzing +4 | -1

{I}_2+{Na}_2 {CO}_3

sol

^{\mathrm{n}} . \stackrel{\Delta}{\longrightarrow} {X}+{Y}

If '

{X}

' gives coloured ppt. with

{Pb}\left({CH}_3 {COO}\right)_2

solution, then '

{Y}

' will not be respond to which of the following

View answer and explanation

Correct option: B

{Y}+{Cr}_2 {O}_7{ }^{2-}\text{(aq)} +{OH}^{-}(\mathrm{aq})

Option B (

{Y}+{Cr}_2 {O}_7{ }^{2-}\text{(aq)} +{OH}^{-}(\mathrm{aq})

) is correct because the reaction of iodine with sodium carbonate produces iodide and iodate. Iodide can be oxidized by dichromate in acidic medium, but not in basic medium.

NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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