Q.

The compound A on treatment with Na gives B, and with PCl5 gives C. B and C react together to give diethyl ether. A, B and C are in the order       [2018]

1 C2H5OH,C2H6,C2H5Cl  
2 C2H5OH,C2H5Cl,C2H5ONa  
3 C2H5Cl,C2H6,C2H5OH  
4 C2H5OH,C2H5ONa,C2H5Cl  

Ans.

(4)