MCQ
Which compound forms linear polymer due to $H-$ bond
- A$H_2O$
- ✓$NH_3$
- C$HF$
- D$HCl$
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$MnCl _2+ K _2 S _2 O _8+ H _2 O \longrightarrow KMnO _4+ H _2 SO _4+ HCl$ (equation not balanced).
Few drops of concentrated $HCl$ were added to this solution and gently warmed. Further, oxalic acid ( $225 mg$ ) was added in portions till the colour of the permanganate ion disappeared. The quantity of $MnCl _2$ (in $mg$ ) present in the initial solution is. . . . . . . . . (Atomic weights in $g mol ^{-1}: Mn =55, Cl =35.5$ )
$A$ and $B$ are :


$A.$ $Cl _{2} / Cl^{-}$ $B.$ $I _{2} / I^{-}$ $C.$ $Ag ^{+} / Ag$ $D.$ $Na ^{+} / Na$ $E.$ $Li ^{+} / Li$
Choose the correct answer from the options given below.