MCQ
The correct $IUPAC$ name of $\mathrm{K}_2 \mathrm{MnO}_4$ is
- APotassium tetraoxopermanganate $(VI)$
- BPotassium tetraoxidomanganate $(VI)$
- CDipotassium tetraoxidomanganate $(VII)$
- DPotassium tetraoxidomanganese $(VI)$
$ 2+\mathrm{x}-8=0 $
$ \Rightarrow \mathrm{x}=+6$
O.S. of $\mathrm{Mn}=+6$
$IUPAC$ Name $=$
Potassium tetraoxidomanganate$(VI)$
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$(i)$ $4.5\, mL$ $\quad (ii)$ $4.5\, mL$ $\quad (iii)$ $4.4\, mL$
$(iv)$ $4.4\, mL$ $\quad (v)$ $4.4\, mL$
If the volume of oxalic acid taken was $10.0 \,mL$ then the molarity of the $NaOH$ solution is .... $M.$ (Rounded-off to the nearest integer)
$A : 1s^2\, 2s^2\, 2p^6$
$B : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^3$
$C : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^5$