`H_(3)C-overset(O)overset("||")C-OH+C_(2)H_(5)overset(18)(OH)overset(conc. H_(2)SO_(4))rarr(X)`
`H_(3)C-overset(O)overset("||")C-OH+(CH_(3))_(3)C-overset(18)(OH)overset(conc. H_(2)SO_(4))rarr(Y)`
In the above reaction (X) and (Y) are respectively:
A. `CH_(3)-overset(O)overset("||")C-overset(18)(O)-C_(2)H_(5) and CH_(3)-overset(O)overset("||")C-O-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-CH_(3)`
B. `H_(3)C-overset(O)overset("||")C-overset(18)(O)-C_(2)H_(5) and H_(3)C-overset(O)overset("||")C-overset(18)(O)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-CH_(3)`
C. `CH_(3)-overset(O)overset("||")C-O-C_(2)H_(5) and H_(3)C-overset(O)overset("||")C-O-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-CH_(3)`
D. `CH_(3)-overset(O)overset("||")C-O-C_(2)H_(5)and CH_(3)-overset(O)overset("||")C-overset(18)(O)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-CH_(3)`