The correct option is B CH3−CH2−OH
In Wurtz reaction, two molecules of alkyl halides combine (on heating with sodium metal in presence of dry ether as solvent) to produce higher alkanes containing even number of carbon atoms.
CH3−CH2−Cl+2Na+Cl−CH2−CH3dry ether−−−−−→△CH3−CH2−CH2−CH3+2NaI
Similarly, option c will react. option b is alcohol which donot give wurtz reaction.
hence, the correct answer will be option (b).