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How many sigma and pi bonds are present ...

How many sigma and pi bonds are present in the following molecules :
`(i) CH_(3)-CH_(3)" "(ii) CH_(3)-OH" "(iii) CH_(2)=CH-C equiv N" "(iv) CH_(2)=C=CH_(2)CH_(3)" "(v) CH equiv C CH=CHCH_(3)`

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DINESH PUBLICATION-ORGANIC CHEMISTRY - SOME BASIC PRINCIPLES & TECHNIOUES-PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUNDS
  1. How many sigma and pi bonds are present in the following molecules : ...

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  2. A misture of camphor and benzoic acid can be separated by :

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  3. In Kjeldahl's method, nitrogen is estimated as :

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  4. Two immiscible liquid present in a bottle can be separated by:

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

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  6. Which of the following reagents is useful to separate benzoic acid fro...

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  7. In Duma's method, the gas collected in nitrometer is :

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  8. Anthracene is purified by :

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  9. 0.2 g of an organic compound on complete combustion produces 0.18 g of...

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  10. Which process is suitable for the purification of aniline ?

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  11. In the Lassaigne's test for the detection of sulphur, the purple colou...

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  12. For which of the following compounds will Lassaigne's test for nitroge...

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  13. The most satisfactory method to separate mixture of sugars is :

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  14. Lassaigne's extract is botted with dilute HNO(3) before testing for ha...

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  15. The purity of an organic solid is determined by :

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  16. Absolute alcohol is prepared by :

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  17. 0.32 g of an organic compound gave 0.233 g of BaSO(4). Determine the p...

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  18. Which is not used to purify organic solids ?

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  19. Chloroform and benzene form a pair of miscible liquids. These can be s...

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  20. During Lassaigne's test S and N present in an organic compound change ...

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  21. The best method to separate a mixture of ortho and para nitrophenol (1...

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