Alkyl Halides

Alkyl halides undergo a type of reaction_________________? A. Nucleophilic substitution B. Nucleophilic addition C. EliminationD. both A & C

Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________? A. primary alcohol B. secondary alcohol C. tertiary alcohol D. dihydric alcohol

Which one of the following reactants will be required to form straight chain alcohol by using Grignard reagent________________? A. formaldehyde B. ketone C. ethylene epoxideD. both A & C

Alkyl halides are considered to be very reactive compounds towards nucleophile because_________________? A. they have an electrophilic carbonB. they have an electrophilic carbon & a good leaving group C. they have an electrophilic carbon & a bad leaving group D. they have a nucleophilic carbon & a good leaving group

For which mechanisms the first step involved is the same ? A. E1 + E2 B. E2 + SN2C. E1 and SN1 D. SN1 and SN2

SN2 reaction can be best carried out with__________________? A. primary alkyl halide B. secondary alkyl halide C. tertiary alkyl halide D. all

When CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis the product formed is _________________? A. propaneB. propanoic acid C. propanal D. propanol

When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed ? A. 2 moles of ethane B. 1 mole of ethane C. 2 moles of butaneD. 1 mole of butane

Which alkyl halide out of the following may follow both SN1 and SN2 mechanism ? A. CH3-X B. (CH3)3 C-CH2 – XC. (CH3)2 CH – X D. (CH3)3 C – X

Which one is not a nucleophile ? A. C2H5O- B. SCN- C. NH3D. H3C+