Choose the correct statement from the following :

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

When $KI$ is added to $Pb (OAc)_{2}$ solution produces scarlet red ppt. of ${PbI}_{2}$

Using ${AgNO}_{3}$ , acetate and oxalate can be distinguished

'AgCl' is insoluble in ${Na}_{2} S_{2} O_{3}$ solution

Using (conc. $H_{2} {SO}_{4} + {MnO}_{2}$ , ${Cl}^{-}$ and ${Br}^{-}$ can be distinguished

answer is D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

When concentrated sulfuric acid is heated the bromide ion in solid salts can function as a reducing agent, reducing the acid to sulphur dioxide and oxidising the bromide ion to free bromine. The chloride ion in solid salts can operate as an oxidising agent when combined with manganese oxide, reducing sulfuric acid to sulphur dioxide and oxidising the chloride ion to free bromine. Hence from the above, it is observed that using concentrated sulphuric acid and manganese oxide chlorine and bromine ion is distinguished.

Watch 3-min video & get full concept clarity