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
1
C2H5OH, C2H6, C2H5Cl
2
C2H5OH, C2H5Cl, C2H5ONa
3
C2H5OH, C2H5ONa, C2H5Cl
4
C2H5Cl, C2H6, C2H5OH
5
Not Attempted