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The correct order of relatives rates of hydrogenation of alkenes is

(1) Ethylene > propene > 2-butene > 2-methyl-2-butene

(2) 2-methyl-2-butene > 2-butene > Propene > Ethylene

(3) 2-butene > propene > ethylene > 2-methyl-2-butene

(4) Propene > 2-butene > ethylene > 2-methyl-2-butene