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80 gm of impure sugar when dissolved in ...

80 gm of impure sugar when dissolved in a litre of water gives an optical rotation of `9.9^(@)` when placed in a tube of length 20 cm. If concentration of sugar solution is 75 gm/litre then specific rotation of sugar is :

A

`44^(@)`

B

`55^(@)`

C

`66^(@)`

D

`73^(@)`

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Verified by Experts

The correct Answer is:
D
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