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The observed rotation of 2.0 gm of a com...

The observed rotation of 2.0 gm of a compound in 10 mL solution in
a 25 cm long polarimeter tube is `+ 13.4^(@)` . The specific
rotation of compound is :

Text Solution

Verified by Experts

`alpha_(obs ) = + 13.4^@ " " C = (2g )/(10 cm^3) = 0.2 g cm ^(-3)`
` I=(25 )/(10) dm = 2.5 dm `
Specific rotation, ` alpha = ( + 13.4 )/( 0.2 xx 2.5 ) = + 26.8 ^@`
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