Which of the following alkenes reacts with HBr in the presence of a peroxide to give anti-Markovnikov's product? (a) 1-Butene (b) 2,3-Dimethyl-2-butene (c) 2-Butene (d) 3-Hexene

Which of the following alkenes reacts with HBr in the presence of a peroxide
to give anti-Markovnikov's product?
(a) 1-Butene
(b) 2,3-Dimethyl-2-butene
(c) 2-Butene
(d) 3-Hexene
by

1 Answer

Answer :

1-Butene
by

Related questions

2-Methyl-2-butene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Description : 2-Methyl-2-butene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Last Answer : A secondary alkyl bromide

A hydrocarbon, C6H12, on ozonolysis gives only one product which does not give silver mirror with Tollens' reagent. The hydrocarbon is (a) 2,3-Dimethyl-2-butene (b) 2-Hexene (c) 2-Methyl-2-pentene (d) 3-Hexene

Description : A hydrocarbon, C6H12, on ozonolysis gives only one product which does not give silver mirror with Tollens' reagent. The hydrocarbon is (a) 2,3-Dimethyl-2-butene (b) 2-Hexene (c) 2-Methyl-2-pentene (d) 3-Hexene

Last Answer : 2,3-Dimethyl-2-butene

Markovnikov's addition of HBr is not applicable to (a) Propene (b) 1-butene (c) 1-pentene (d) 2-butene

Description : Markovnikov's addition of HBr is not applicable to (a) Propene (b) 1-butene (c) 1-pentene (d) 2-butene

Last Answer : 2-butene

2-Methylpropene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Description : 2-Methylpropene reacts with HBr in the presence of peroxide to give (a) A primary alkyl bromide (b) A secondary alkyl bromide (c) A tertiary alkyl bromide (d) A vicinal dibromide

Last Answer : A primary alkyl bromide

Propene reacts with HBr in the presence of a peroxide to give (a) n-Propyl bromide (b) Allyl bromide (c) Isopropyl bromide (d) Vinyl bromide

Description : Propene reacts with HBr in the presence of a peroxide to give (a) n-Propyl bromide (b) Allyl bromide (c) Isopropyl bromide (d) Vinyl bromide

Last Answer : n-Propyl bromide

2-Butene reacts with HBr to give (a) 1-Bromobutane (b) 2,3-Dibromobutane (c) 2-Bromobutane (d) 2,2-Dibromobutane

Description : 2-Butene reacts with HBr to give (a) 1-Bromobutane (b) 2,3-Dibromobutane (c) 2-Bromobutane (d) 2,2-Dibromobutane

Last Answer : 2-Bromobutane

Cyclobutane reacts with hydrogen in the presence of nickel catalyst at 200°C to give (a) Butane (b) 1-Butene (c) 2-Butene (d) None of these

Description : Cyclobutane reacts with hydrogen in the presence of nickel catalyst at 200°C to give (a) Butane (b) 1-Butene (c) 2-Butene (d) None of these

Last Answer : Butane

What is the product when 3-heptyne reacts with the Lindlar catalyst? (a) 2-methyl-2-heptene (b) trans-3-heptene (c) cis-2-methyl-3-hexene (d) cis-3-hexene

Description : What is the product when 3-heptyne reacts with the Lindlar catalyst? (a) 2-methyl-2-heptene (b) trans-3-heptene (c) cis-2-methyl-3-hexene (d) cis-3-hexene

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Which of the following alkenes will give a mixture of acetone and acetaldehyde an ozonolysis? (a) 1-butene (b) 2-methyl-2-butene (c) 2-butene (d) 2-methylpropene

Description : Which of the following alkenes will give a mixture of acetone and acetaldehyde an ozonolysis? (a) 1-butene (b) 2-methyl-2-butene (c) 2-butene (d) 2-methylpropene

Last Answer : 2-methyl-2-butene

Which of the following alkenes will give a mixture of acetone and formaldehyde on ozonolysis? (a) 2-butene (b) 2-methyl-2-butene (c) 1-butene (d) 2-methylpropene

Description : Which of the following alkenes will give a mixture of acetone and formaldehyde on ozonolysis? (a) 2-butene (b) 2-methyl-2-butene (c) 1-butene (d) 2-methylpropene

Last Answer : 2-methylpropene

2,3-Dimethyl-2-butene undergoes catalytic hydrogenation to give (a) 2,3-Dimethylbutane (b) 2-Methylpentane (c) 2,2-Dimethylbutane (d) 3-Methylpentane

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Last Answer : 2,3-Dimethylbutane

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Which of the following alkenes gives only acetic acid on oxidation with hot concentrated KMnO4. (a) Ethylene (b) 1-Butene (c) Propene (d) 2-Butene

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Starting with 2-butene, which of the following is the best method for preparing 2-butyne? (a) HBr; H2/Ni; Zn/H+ (b) HBr; Zn/H+; H2/Ni (c) Br2/CCl4; Zn/H+; H2/Ni (d) Br2/CCl4; 2NaNH2

Description : Starting with 2-butene, which of the following is the best method for preparing 2-butyne? (a) HBr; H2/Ni; Zn/H+ (b) HBr; Zn/H+; H2/Ni (c) Br2/CCl4; Zn/H+; H2/Ni (d) Br2/CCl4; 2NaNH2

Last Answer : Br2/CCl4; 2NaNH2

What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene? (a) 1-bromo-1-butene (b) 2-bromo-2-butene (c) 4-bromo-1-butene (d) 1-bromo-2-butene

Description : What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene? (a) 1-bromo-1-butene (b) 2-bromo-2-butene (c) 4-bromo-1-butene (d) 1-bromo-2-butene

Last Answer : 1-bromo-2-butene

Which of the following compounds have planar molecules?(a) 1,3-Butadiene (b) Dimethyl ether (c) 1-Butene (d) Allene

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Which of the following compounds is most stable? (a) Ethylene (b) 2,3-Dimethyl-1-butene(c) Propylene (d) 2-Butene

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The effect that makes 2,3-dimethyl-2-butene more stable than 2-butene is :

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Cyclopropane reacts with concentrated HBr to give. (a) 1-Bromopropane (b) Bromocyclopropane (c) 2-Bromopropane (d) 1,2-Dibromopropane

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Ethylene oxide reacts with HBr to give (a) 1-Bromoethanol (b) Ethyl bromide (c) 2-Bromoethanol (c) Ethylene glycol

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2-Bromobutane reacts alcoholic KOH to mainly give (a) 1-Butene (b) 2-Butene (c) 1-Butanol (d) 2-Butanol

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Predict which of the following alkenes reacts the fastest with HCl? (a) CH3CH2CH2CH2CH=CH2 (b) cis-CH3CH2CH=CHCH2CH3 (c) trans-CH3CH2CH=CHCH2CH3 (d) (CH3)2C=CHCH2CH3

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Which of the following statements correctly describes the general reactivity of alkynes? (a) An alkyne is an electron-rich molecule and therefore reacts as a nucleophile. (b) The σ bonds of alkynes are higher in energy than the bonds and are thus more reactive. (c) Unlike alkenes, alkynes fail to undergo electrophilic addition reactions. (d) Alkynes are generally more reactive than alkenes.

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Which of the following compounds reacts fastest with HBr? (a) 1-propanol (b) 2-methyl-1-propanol (c) 2-propanol (d) 2-methyl-2-propanol

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Ethyl bromide reacts with sodium methoxide to form (a) Diethyl ether (b) Ethyl methyl ether (c) Dimethyl ether (d) n-Propyl alcohol

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