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Arrange the given alkyl halides in the o...

Arrange the given alkyl halides in the order of decreasing rate of dehydrohalogenation reaction i.e., when heated in presence of alc. KOH
`CH_(3)-CH_(2)-Cl, CH_(3)-CH_(2)-Br,CH_(3)-CH_(2)-I`

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`CH_(3)-CH_(2)-I > CH_(3)-CH_(2)-Br > CH_(3)-CH_(2)-Cl`
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1.The correct sequence of bond enthalpy of' CH_(3)-F,CH_(3)-Cl,CH_(3)-Br,CH_(3)-I

Dehydrohalogenation involves removal of the halogenn atom together with a hydrogen atom from carbon adjacent to the one with halogen atom. Alcoholic KOH is used for dehydrohalogenation. According to saytzeff's rule, when two alkenes may be formed, the alkene which is most substituted is the major product. Q. Arrange the following alkyl halides in decreasing order of the rate of beta -elimination reaction with alcoholik KOH. underset((i))(CH_(3)CH_(2)CH_(2)Br) underset((ii))(CH_(3)-underset(CH_(3))underset(|)(C)H-CH_(2)Br) underset((iii))(CH_(3)-CH_(2)-underset(Br)underset(|)(C)H-CH_(3))

Arrange the following compounds in order of ease of dehydrohalogenation by concentrated alcoholic KOH A) CH_(3)underset(CH_(3))underset(|)(C)HCH_(2)CH_(2)Br B) CH_(3)CH_(2)underset(CH_(3))underset(|)overset(Br)overset(|)(C)CH_(3) C) CH_(3)underset(CH_(3))underset(|)(C)Hoverset(Br)overset(|)(C)HCH_(3)

Arrange the following alkyl halides in decreasing order of the rate of beta -elimination reaction with alcoholic KOH. (I) CH_(3)-underset(CH_(3))underset(|)overset(H)overset(|)(C)-CH_(3)Br (II) CH_(3)-CH_(2)-Br (III) CH_(3)-CH_(2)-CH_(2)-Br

Arrange the following alkyl halides in decreasing order of the rate or beta -elimination reaction alcoholic KOH. A. CH_(3)-underset(CH_(3))underset(|)overset(H)overset(|)(C)-CH_(2)Br B. CH_(3)-CH_(2)-Br C. CH_(3)-CH_(2)-CH_(2)-Br

The correct sequence of bond enthalpy of C-X 'bond is : CH_(3)-F,CH_(3)-Cl,CH_(3)-Br,CH_(3)-I

The order of decreasing stability of the following carbanions is (i) (CH_(3))_(3)C^(-) (ii) (CH_(3))_(2)CH^(-) (iii) CH_(3)CH_(2)^(-) (iv) C_(6)H_(5)CH_(2)^(-)

Arrange the following compounds in an increasing order of their acid strengths : (CH_(3))_(2)CHCOOH, CH_(3)CH_(2)CH(Br)COOH, CH_(3)CH(Br)CH_(2)COOH

The order of decreasing S_(N)1 reactivities of the halides (I ) CH_(3)CH_(2)CH_(2)Cl (II) CH_(2) = CHCHCICH_(3) (III) CH_(3)CH_(2)CHCICH_(3)

Arrange the folliwing halides in order of increasing SN^(2) and SN^(1) reactions. I. CH_(3)Cl , II. CH_(3)Br III. CH_(3)CH_(2)Cl , IV. (CH_(3))_(2)CHCl

AAKASH INSTITUTE ENGLISH-HYDROCARBONS-Try yourself
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  14. What is the type of isomerism shown by dichlorobenzene ?

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  15. How many oxygen atoms are required to form ozonide in benzene ?

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  16. Which p - orbital froms pi - bond ?

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  17. What accounts for the unusual stablitiy of the benzene ring ?

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  18. What is the product obtained when sodium benzoate is subjected to...

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