Assertion: Rate of hydrolysis of methyl chloride to methanol is higher in DMF than in water. Reason: Hydrolysis of methyl chloride follows second order kinetics.

Question

Assertion: Rate of hydrolysis of methyl chloride to methanol is higher in DMF than in water. Reason: Hydrolysis of methyl chloride follows second order kinetics. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

Primary alkyl halide (Here CH 3 Cl ) undergo S N 2 mechanism and not S N 1 mechanism. Hence, hydrolysis of CH 3 Cl is favoured by non polar medium or polar non-protic solvent (in which proton is not generated) like DMF whereas S N 1 mechanism are favoured by polar solvents like water.

Q. Assertion : Rate of hydrolysis of methyl chloride to methanol is higher in DMF than in water. Reason : Hydrolysis of methyl chloride follows second order kinetics.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

Primary alkyl halide (Here CH3​Cl ) undergo SN​2 mechanism and not SN​1 mechanism. Hence, hydrolysis of CH3​Cl is favoured by non polar medium or polar non-protic solvent (in which proton is not generated) like DMF whereas SN​1 mechanism are favoured by polar solvents like water.

Q. Assertion : Rate of hydrolysis of methyl chloride to methanol is higher in DMF than in water.
Reason : Hydrolysis of methyl chloride follows second order kinetics.