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Alkene Chemical Properties Quiz

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Questions and Answers

What is the name of the reaction where hydrogen adds to alkenes and converts them into corresponding alkanes?

Unsaturated conversion
Hydrogenation (correct)
Addition reaction
Halogenation

What is the product formed when bromine is added to an alkene?

Alkane
Alkene bromide
Brominated alkene
Haloalkane or alkyl halide (correct)

What is a common catalyst used in the hydrogenation of alkenes?

Chlorine
Sulfuric acid
Platinum (correct)
Bromine

What is the characteristic color change observed when bromine is added to an alkene?

Red-brown to colorless (C) Signup and view all the answers

What is the product formed when 2-butene reacts with Br2?

2,3-dibromobutane (D) Signup and view all the answers

What is the product formed when 2-butene reacts with HCl?

2-chlorobutane (C) Signup and view all the answers

What is the product formed when 2-butene reacts with H2O in the presence of an acid?

2-butanol (D) Signup and view all the answers

What is the name of the product formed when 2-methyl-1-butene reacts with H2, Pt/25°C?

2-methylbutane (A) Signup and view all the answers

What is the product formed when 2-methyl-1-butene reacts with Cl2?

1,2-dichloro-2-methylbutane (C) Signup and view all the answers

What is the product formed when 2-methyl-1-butene reacts with HCl?

2-chloro-2-methylbutane (A) Signup and view all the answers

What happens in an addition reaction of HX to an alkene if hydrogen peroxide is present?

Anti-Markovnikov addition (C) Signup and view all the answers

What is the product formed when ethene reacts with KMnO4 (aq) + H2O?

1,2-ethanediol (A) Signup and view all the answers

What is the positive test for unsaturated hydrocarbon?

Disappearance of KMnO4's purple color and appearance of a brown suspension of MnO2 (D) Signup and view all the answers

What is the product formed when trans-2-hexene reacts with HBr?

trans-2-bromohexane (C) Signup and view all the answers

What is the functional group present in alkenes?

Carbon-carbon double bond (B) Signup and view all the answers

What is the product formed when 2-butene reacts with H2SO4?

2-butane hydrogen sulphate (C) Signup and view all the answers

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