Question

among the four substituent effects , ie inductive effect, resonance effect, electomeric effect and hyperconjugation , which one is predominant? and give the order of their extent of effect in a molecule!

is there any brainliest!​

Answer 1

Because you are washing any impurities off of it. The water dissolves some impurities, and the ethanol will dissolve other impurities.

Doing both rinses will get the purest sample. The water wash must be done first because the ethanol will remove any residual water and the ethanol will evaporate quickly leaving a pure sample. Please mark it as the brainliest