271.

Find the product for

CH₃CH₂-O-CH₂-CH₂-O-CH₂-C₆H₅+ HI (excess)

• HO-CH₂CH₂OH, C₆H₅CH₂-I, CH₃CH₂-I

• C₆H₅CH₂-OH, CH₃CH₂-I, I-CH₂CH₂-OH

• I-CH₂CH₂-I, C₆H₅CH₂-I, CH₃CH₂-OH

• HO-CH₂CH₂-OH, C₆H₅CH₂-I, CH₃CH₂-OH

S_N2 reaction readily occurs in

• CH₃CH₂-O-CH₃

• CH₃-C(CH₃)₂-O-CH₃

• CH₂=CH-CH₂-O-CH₃

• Ph-CH₂-O-CH₂-CH₃

An alkyl halide reacts with alcoholic ammonia in a sealed tube , the product formed will be :

• a primary amine

• a secondary amine

• a tertiary amine

• a mixture of all the three

The major product of the following reaction is

The catalyst used in the preparation of an alkyl chloride by the action of dry HCl on an alcohol is :

• anhydrous AlCl₃

• Fecl₃

• anhydrous ZnCl₂

• Cu

In the reaction ,

R - X $\stackrel{\mathrm{Alcoholic} \mathrm{KCN}}{\to }$ B $\stackrel{\mathrm{Dilute} \mathrm{HCI} }{\to }$ B

The product B is :

• alkyl chloride

• aldehyde

• carboxylic acid

• ketone

CH₃CH=CHCH₃ + CHCl₃ + t-BuOK ➔ A. A is

In which of the following preparations of ether, the configuration about chiral centre is not retained?

Which ofthe following compounds is not chiral?

• 1-Chloropentane

• 2-Chloropentane

• 1-Chloro-2-methyl pentane

• 3-Chloro-2-methyl pentane

Which ofthe following molecules will not show optical activity?