H₂C. CH,(CO,Et)2 + 8 + Ph EtO H acetone O NaOH, H₂O Δ .CO₂Et OEt NaOEt 1 NaOEt, EtOH 2 H3O+

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.