vii. viii. ix. X. OH (CH3CH₂)2NH pH 4.5 i. (CH3CH2)2CuLi ii. H₂O EtNH, pH 13 (CH3)3N pH 4.5 ii. H3O+ NaCN HCN MgCl

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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.