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Question

Most sugars are dextrorotatory which means they

A
Tilt light to right
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B
Rotate polarised light to right
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C
Tilt light to left
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D
Rotate polarised light to left
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Solution

The correct option is C Rotate polarised light to right
Saccharides having asymmetric carbons (carbon fulfill its valency with a different group of atoms) are able to rotate polarised light. If polarised light rotates to right side means dextrorotatory (denoted by D, d or +). If polarised light rotates to left means Laevorotatory ( denoted by L, l or -). Among sugars Dextrorotatory are common. Thus, the correct option is B.

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