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Reshav posted an Question
July 26, 2020 • 05:39 am 30 points
  • IIT JAM
  • Chemistry (CY)

Cia and 32% ()-tartaric acid. ar unknow compound weighing.4.2 gm is dissolved in enough carbon tetrachloride to make a total volume of 250 c.c. the observed rot

CIa and 32% ()-tartaric acid. Ar unknow Compound weighing.4.2 gm is dissolved in enough carbon tetrachloride to make a total volume of 250 c.c. The observed rotation of this solution is +357.75° in a 25 cm cell using the solium D line. But if 4.2 gm is dissolved in 125 ce we observed rotation is +355.50°.Calculate Spr cific rotation for this compound. 9.

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    Priyanshu kumar Best Answer

    check this reshav

    cropped2382355823837205430.jpg
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    got this??

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    please accept the answer if you got it😊🙏

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    dear reshav please respond😊

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    sir i didnt understand the step where you substract alpha 1 from alpha 2 and all

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    please explain how you did it

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    see reshav...as here volume changes so concentration changes due to this observed optical rotation value changes..so to find the specific rotation of the compound we have to find the change in del theta/ del C × length of cell(which is constant)

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    got reshav??

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    dear reshav any doubt??

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    ok understood thankyou sir

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    welcome reshav😊👍

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