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What is the effect of the I on the specific optical rotation (α), if I gets double?

What is the effect of the I on the specific optical rotation (α), if I gets double? Correct Answer α gets double

Specific rotation, , is a fundamental property of chiral substances that is expressed as the angle to which the material causes polarized light to rotate at a particular temperature, wavelength, and concentration. Doubling l will double the value of α.

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