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How will you prove: presence of termin...

How will you prove:
presence of terminal `=CH_2` group in 1-pentene.

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Ozonolysis of 1-pentene leads to the formation of formaldehyde (HCHO) as one of the products . This proves that there is a terminal `=CH_2` group present in 1-pentene.
`underset(1-"pentene")(CH_3CH_2CH_2CH=CH_2)overset((i)O_3)underset((ii)Zn//H_2O)tounderset("Butanal")(CH_3CH_2CH_2CH)=underset("Formaldehyde")(O+O=CH_2)`
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CHHAYA PUBLICATION-HYDROCARBONS-(QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (Long answer type)
  1. How will you prove: acidic character of acetylene.

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  2. How will you prove: presence of terminal =CH2 group in 1-pentene.

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  3. How will you prove: presence of acetylenic hydrogen in 1-butyne.

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  4. How will you prove: 2-butene is a symmetrical alkene.

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  5. Identifty the major product obtained in each of the following reaction...

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  6. Identifty the major product obtained in each of the following reaction...

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  7. Identifty the major product obtained in each of the following reaction...

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  8. Identifty the major product obtained in each of the following reaction...

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  9. Identify A, B,C & D the following reaction- Aoverset(Na)underset(liq...

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  10. Identify A, B,C & D the following reaction- Aoverset(Cl2)toC2H4Cl4o...

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  11. Write the names and structures of the two alkenes (molecular formula:C...

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  12. Mention two reactions in which ethylene and benzene behave differently...

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  13. Distinguish between:

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  14. Distinguish between:

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  15. Write the names & structure of following compounds : An unsaturate...

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  16. Write the names & structure of following compounds : An organic co...

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  17. Write the names & structure of following compounds : An alkane whi...

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  18. Write the names & structure of following compounds : An alkyl brom...

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  19. Write the names & structure of following compounds : An alkene whi...

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  20. Write the names & structure of following compounds : A compound con...

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