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JEE Main

Exam: JEE Main
Subject: Chemistry
Chapter: Practical Chemistry

JEE Main · Chemistry · Practical Chemistry

Metal chloride A is soluble in hot water but insoluble in cold...

Metal chloride A is soluble in hot water but insoluble in cold water. Select correct statement about A. Thus

Options

AA can give yellow ppt. with ${K}_{2}Cr{O}_{4}$
BA can give white ppt with ${K}_{2}S{O}_{4}$
CA can give yellow ppt with KI
DAll of the above are correct statements.

Correct answer

D. All of the above are correct statements.

Step-by-step solution

PbC{l}_{2}

is soluble in hot water but forms white needle like crystals on cooling.

\begin{cases}{PbCl}_{2} & \overset{{K}_{2} {CrO}_{4}}{→} & {PbCrO}_{4} ↓ \\ & & \text{Yellow ppt}\end{cases}

\begin{cases}{PbCl}_{2} & \overset{{K}_{2} {SO}_{4}}{→} & {PbSO}_{4} ↓ \\ & & \text{White ppt}\end{cases}

\begin{cases}{PbCl}_{2} & \overset{KI}{→} & {PbI}_{2} ↓ \\ & & \text{Yellow ppt}\end{cases}

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