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Nitrogen Fixation

For which amo...

Question

For which among the following nitrogen cannot be estimate by Kjeldhal's method?

A

Pyridine

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B

quinoline

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C

hydrozobenzene

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D

all the above

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Solution

The correct option is D
all the above

This method cannot be used in the estimation of nitrogen in the ring-Pyridine, quinoline etc. And compounds containing nitro and azo as nitrogen in these compounds is not completely converted to $(N H_{4})_{2} S O_{4}$ during digestion.

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