`CH_(3)CH_(2)OHunderset(H_(2)SO_(4))overset(K_(2)Cr_(2)C_(2))rarrA overset(SOCI_(2))rarrBoverset(NH_(3))rarrCunderset(2H_(2)O)overset(1LiAIH)rarrD`
The product `D` in the above sequence of reactions is

Options

A. `CH_(3)NH_(2)`
B. `CH_(3)CH_(2)NH_(2)`
C. `CH_(3)CH_(2)CH_(2)NH_(2)`
D. `(CH_(3))_(2)CHNH_(2)`

Answer

B

Explanation

Step (1) involves oxidation of `1^(@)` alcoho1 to carboxylic acid which yields acid chloride in step `(2)` In step (3) acid chloride undergoes ammonolysis to yield amide which on reduction in step (4) yields a primary amine.
`CH_(3)CH_(2)OHoverset(K_(2)Cr_(2)O_(7))underset(H_(2)SO_(4))rarrunderset((A))(CH_(3)overset(O)overset("||")(C)C)-OHoverset(SOCl_(2))`