Question

Column I		Column II
A	D-Threose $\xrightarrow[ HNO _3]{[O]}$	p	Meso-Butan-1,2,3,4-tetraol
B	D-Erythrose $\xrightarrow[ HNO _3]{[O]}$	q	D (-) Tartaric acid
C	D-Threose $\xrightarrow[ {[H]} ]{H _2 / Ni}$	r	Meso-Tartaric acid
D	D-Erythrose $\xrightarrow[ {[H]} ]{H _2 / Ni}$	s	D-Butan-1,2,3,4-tetraol

• A. A - (r), B - (s), C - (p), D - (q)
• B. A - (s), B - (q), C - (p), D - (r)
• C. A - (p), B - (r), C - (q), D - (s)
• D. A - (q), B - (r), C - (s), D - (p)

Answer 1

Answer: (D)

Correct answer is (d) A - (q), B - (r), C - (s), D - (p)