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Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Halogens
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Refer to the below equations :

Which of the following is correct decreasing order of rate of reaction with R (Isopropyl, neopentyl, methyl, alkyl, aryl)


(a) Methyl > isoprophl > allyl > aryl > neopentyl

(b) Aryl > allyl > methyl > isopropyl > Neopentyl

(c) Methyl > allyl >isopropyl > neopentyl > aryl

(d) allyl > methyl > isopropyl > neopentyl >aryl

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1 Answer

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Steric factor is important case to decide the ease of $SN_2$ substitution but electronic factor also plays an important role the grater reactivity of aryl,allyl,and methyl is due to electronic rate Ethyl-1,allyl-40,methyl-30,aryl-120,neopentyl-10-5
answered Aug 21, 2013 by sreemathi.v
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