Ethyl iodide and n-propyl iodide are allowed to undergo Wurtz reaction. The alkane which will not be obtained in this reaction is

C2H5−I+CH3−CH2−CH2−I→etherNaC4H10+CH3−CH2−CH2−CH2−CH3+C6H14Observe the reaction, Now in the mechanistic pathway the intermediates are Ethyl free radical and n-propyl free radical. can give Butane,pentane and hexane only.