Chemistry Quiz

Which class of compounds contains halogen atom(s) attached to sp3 hybridised carbon atom of an alkyl group?

• Vinylic halides

• Aryl halides

• Alkyl halides

• Allylic halides

What is the common name for the compound CH2=CHCl?

• Methylene chloride

• Chloroform

• Allyl bromide

• Vinyl chloride

How are dihaloalkanes with the same type of halogen atoms named in the IUPAC system?

• Dihaloalkanes

• Alkylidene halides

• Geminal halides

• Alkylene dihalides

What is the classification of 1-Bromopentane?

• Quaternary bromide

• Tertiary bromide

• Secondary bromide

• Primary bromide

Which halogen atom has the largest size among fluorine, chlorine, bromine, and iodine?

• Fluorine

• Iodine

• Chlorine

• Bromine

What is the preferred reagent for the preparation of alkyl halides from alcohols?

• Sodium iodide

• Concentrated halogen acids

• Thionyl chloride

• Phosphorus halides

Which type of reaction involves the interaction of a nucleophile with a haloalkane?

• Addition reaction

• Elimination reaction

• Nucleophilic substitution reaction

• Reduction reaction

What is the order of reactivity of alcohols with a given haloacid?

• 2 > 3 > 1

• 2 > 1 > 3

• 3 > 2 > 1

• 1 > 2 > 3

Which mechanism describes the S_N2 reaction involving alkyl halides?

• Addition-elimination

• Substitution nucleophilic bimolecular

• Substitution nucleophilic unimolecular

• Radical substitution

What is the main product formed when haloalkanes react with KCN?

• Alkyl cyanide

• Alkyl nitrite

• Alkane

• Ester