MCQ
Colourless components on chromatogram can not be observed by the following :
- AUsing UV light
- BUsing iodine chamber
- CUsing the spraying reagent
- ✓Using infrared light
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| $C=O$ bond | $CO_2$ molecule | |
| $A$ | polar | non$-$polar |
| $B$ | non$-$polar | polar |
| $C$ | polar | polar |
| $D$ | non$-$polar | non$-$polar |