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Duma's method involves the determination...

Duma's method involves the determination of content of nitrogen in the organic compound in the form os

A

`NH_(3)`

B

`N_(2)`

C

`NaCN`

D

`(NH_(4))_(2)SO_(4)`

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The correct Answer is:
B
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OP TANDON-CHARACTERISATION OF ORGANIC COMPOUNDS -OBJECTIVE QUESTIONS Level-A
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  5. An organic compound on heating with CuO produces CO(2) but no water. I...

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  6. Lassaigne's test (with silver nitrate) is commonly used to detect halo...

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  8. In Kjeldahl's method of estimation of N,CuSO(4) acts as

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  9. In dumas method for the estimation of nitrogen in an organic compound,...

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  10. An organic compound which produces a bluish green colored flame on hea...

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  11. The hottest region of Bunsen flame shown in the figure below is:

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  12. In the estimation of sulphur organic compound on treating with conc. H...

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  13. Schiff's and Piria method is used for the estimation of:

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  14. Prussian blue colour is obtained by mixing together aqueous solution o...

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  15. The blood red colour in the combination test of nitrogen and sulphur i...

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  16. The violet colour in the Lassaigne’s test of sulphur is due to

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  17. At 300 K and 1 atm, 15 mL of a gaseous hydrocarbon requires 375 mL air...

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  18. Mark the incorrect statement in nitrogen Kjeldhal's method of estimati...

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  19. In the estimation of carbon and hydrogen, if the substance also contai...

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  20. In the estimation of carbon and hydrogen, if the substance also contai...

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