Assertion (A) : Wurtz reaction is not a good method for preparation of propane
Reason(R) : Wurtz reaction can involve, reactants such as alkyl halide, ‘Na’ in dry Ether at low temperature.

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A is true but not R

A and R are true, ‘R’ is not the reason for A

A and R are true, R is the reason for A

A is false but ‘R’ is true

answer is B.

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Detailed Solution

Wurtz reaction not preferred for the preparation of alkane containing an odd number of carbon atoms due to the formation of a number of products. When two different types of alkyl halides are taken, a mixture of three alkanes with odd and even numbers of carbon atoms are obtained.

Wurtz reaction is a coupling reaction in which two alkyl halides are reacted with sodium metal in dry ether solution to form a higher alkane:

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