Question
Question: (+) tartaric acid has a specific rotation of + 12 unit when measured in 12 cm polarimeter tube and 2...
(+) tartaric acid has a specific rotation of + 12 unit when measured in 12 cm polarimeter tube and 2g/ml concentration at given temperature and light. When it is diluted to half the concentration, length of tube and other parameters being same, the specific rotation will be
A
- 6 unit
B
- 12 unit
C
– 6 unit
D
- 24 unit
Answer
- 12 unit
Explanation
Solution
(2) +12 unit Since specific rotation [a] is independent of l, C.