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Practicing real exam questions helps you understand the exam pattern, improve accuracy, and boost your JEE score. Perfect for students aiming for top ranks in IIT-JEE.","tags","jee main joint entrance examination india","version","vip","location",{"_391":392,"_393":394},"type","Point","coordinates",[395,396],79.0888,21.1466,"in","priority",12,"createdOn",1756744302186,"updatedOn","questionsCount",24748,"courseCount",9,"examKey","questionData",{"_369":410,"_411":412,"_413":414,"_278":416,"_417":418,"_263":370,"_419":420,"_421":422,"_110":427},"hm6tPFSvBIPETtTWpRarcXt3YU4314","q","Which of the following is the correct order of decreasing S_N2 reactivity?","ans",[415],1,"2007","course","chemistry","exp","In $${S_N}2$$ mechanism transition state is pentavelent. For bulky alkyl group it will have sterical hinderance and smaller alkyl group will favour the $${S_N}2$$ mechanism. So the decreasing order of reactivity of alkyl halides is $$RC{H_2}X > {R_2}CHX > {R_3}CX$$","opts",[423,424,425,426],"RCH₂X > R₃CX > R₂CHX","RCH₂X > R₂CHX > \nR₃CX","R₃CX > R₂CHX > RCH₂X","R₂CHX > R₃CX > RCH₂X",19,"19","initComment","initReply","actionData","errors"]

JEE MAIN - Chemistry (2007 - No. 19)

Explanation

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