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In the Duma's method of estimation of th...

In the Duma's method of estimation of the organic compound is finaly converted into

A

NO

B

`N_(2)`

C

`NH_(3)`

D

`HNO_(3)`

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A
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DINESH PUBLICATION-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND -Revision Q.F.Competitive exams
  1. 0.1 mol of a carbonhydrate with empirical formula CH(2)O contains 1 g ...

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  2. An organic compound contains carbon, hydrogen and oxygen. Its chemical...

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  3. In Lassaigne's test, a blood red colouration with Fe^(3+) ions indicat...

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  4. The compound formed in the positive test for nitrogen with Lassaigne's...

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  5. In sodium fusion test of organic compounds, the nitrogen of an organic...

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

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  7. Which of the following complex formation indicates presence of sulphur...

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  8. Which of the following compounds gives blood red colouration when its ...

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  9. In the Duma's method of estimation of the organic compound is finaly c...

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  10. Which of the following compounds will not give Lassaigne's test for ni...

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  11. An organic compound on analysis was found to contain 10.06 % Carbon,0....

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  12. In Kjeldahl's method , ammonia from 5 g of food neutralizes 30 cm ^(3)...

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  13. In Lassaigne's test for the detection of halogen , the sodium fusion e...

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  14. In Duma's method,the gas which is collected in Nitromer is 0.35 g of ...

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  15. The Lassaigne's extract is boiled with conc HNO(3) with testing for ha...

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  16. Kjeldahl method for estimation of nitrogen is not applicable to

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  17. A compound contains 38. 8 % C, 16 % H, 42 5 % N. The formula of comp...

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  18. The positive Lassaigne test for nitrogne of any compound from sodium f...

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  19. Correct pair of compounds which gives blue colouration/precipitate and...

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  20. The reaction of nitroprusside anion with sul- phide ion gives purple c...

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