MCQ
Ethene gives with acidic $KMn{O_4}$ solution
- AEthylene glycol
- BEthylene oxide
- ✓Formaldehyde
- DAcetaldehyde
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(Molar mass of $Ca(OH)_2, Na_2SO_4$ and $CaSO_4$ are $74, 143$ and $136\, g\, mol^{-1}$ respectively; $K_{sp}$ of $Ca(OH)_2$ is $5.5 \times 10^{-6}$)
(Image)
Samples $(A, B, C)$
Fig : Paper chromatography of Samples
Here $X, Y$ are respectively