Biomolecules Question 131

Question: Identity X, Y and Z from the information given below: X = A chiral amino acid which loses its chirality on treatment with lithium aluminum hydride. Y= the decarboxylation product of a-amino (secondary) acid, $ C_5H_9O_2N $ . Z = It is formed when A ( $ C_3H_4O_3 $ ) is treated with (i) $ NH_3 $ (ii) $ NaBH_4 $ [A forms oxime, gives iodoform test and liberate $ CO_2 $ with $ NaHCO_3 $ ].

Options:

A)

X YZ
Alanine Serine

B)

X YZ
Serine Alanine

C)

X YZ
Serine Alanine

D)

X YZ
Aspartic acid Serine
Show Answer

Answer:

Correct Answer: C

Solution:

[c]