Benzene reacts with CH₃Cl in the presence of anhydrous AlCl₃ to form

• toluene

• chlorobenzene

• benzylchloride

• benzylchloride

In an S_N2  substitution reaction of the type which  one of the followings has the highest relative rate?

• CH₃-CH₂-CH₂Br

• CH₃-CH(CH₂)-CH₂Br

• CH₃C(CH₃)₂CH₂Br

• CH₃CH₂Br

204.

Predict the product C obtained in the following reaction of butyne - 1.

• 
• 
• 
• 

Consider the following compounds:



The correct decreasing order of their reactivity towards hydrolysis is;

• (ii) >(iv) > (iii) > (i)

• (i) > (ii) > (iii) > (iv)

• (iv) > (ii) > (i) > (iii)

• (iv) > (ii) > (i) > (iii)

Ethylene oxide when treated with Grignard reagent yields:

• Secondary alcohol

• tertiary alcohol

• cyclopropyl alcohol

• cyclopropyl alcohol

Predict the correct intermediate and product in the following reaction

Identify the major products P, Q and R in the following sequence of reactions:

The compound C₇H₈ undergoes the following reactions:

The product 'C' is

• m-bromotoluene

• o-bromotoluene

• p-bromotoluene

• 3-bromo-2,4,6-trichlorotoluene

Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to a gaseous hydrocarbon containing less than four carbon atoms. (A) is

• CH ≡ CH

• H₂C = CH₂

• CH₄

• CH₃-CH₃