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The mechanism of addition of halogens to alkenes is an example of electrophilic addition.

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Important Questions on Unsaturated Hydrocarbons- Alkenes

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The correct statement(s) for the following addition reactions is(are)

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Which of the following cycloalkane gives open chain compound, when reacts with bromine ?
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Butene22. alc.KOH, Δ1.Br2AH3+OO3B Compounds A and B are
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The correct structure of the product A formed in the reaction is

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[P]Br2C2H4Br2NaNH2NH3[Q]

[Q]20%H2SO4Hg2+,Δ[R]Zn-Hg/HCl[S]

The species P, Q, R and S respectively are:

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Write a balanced chemical equation the following reaction:

Chlorine gas is reacted with ethene.

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The major products obtained in the following reaction is/are

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2, 3-Dimentylbut-2-ene when reacted with bromine forms a compound which upon heating with alcoholic KOH produce the following major product.
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Amongst the following, the major product of the given chemical reaction is

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The major product of the following reaction is:
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What is the major product formed by HI on reaction with Question Image
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Major product 'P' formed in the following reaction is 

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Consider the above chemical reaction. The total number of stereoisomers possible for Product "P" is _________

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Name the gas evolved in the following case:

Ethene undergoes hydrogenation reaction.

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Reaction of ethanol with conc. sulphuric acid at 170 oC produces a gas which is then treated with bromine in carbon tetrachloride. The major product obtained in this reaction is
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Given,

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The enthalpy of hydrogenation of these compounds will be in the order as:
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Compound(s) that on hydrogenation produce(s) optically inactive compound(s) is (are)