24 gm of optically pure tartaric acid is dissolved in water to make 240 ml solution. It is kept in 20 cm polarimeter tube and plan polarised light is passed through it to produce rotation of -`2.4^(@).`
Answer the following questions :
Calculate the % of d tartaric acid in a mixture of d and l tartaric acid with has the observed specific rotation + `6.0^(@)`.
A. 0.25
B. 0.75
C. 0.5
D. 0.6667
