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Which of the following reactions will gi...

Which of the following reactions will give alkyne?

A

`CH_3 CBr_2 CHBr_2 overset(Zn "dust")to`

B

`CH_3 CH_2 CHBr_2 overset(alc. KOH)to overset(NaNH_2)to`

C

`CH_3 CHBrCH_2Br overset(NaNH_2)to`

D

All of the above

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VMC MODULES ENGLISH-HYDROCARBONS-Level-1
  1. Cyclopentadienyl anion is :

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  2. The reduction of 4-octyne withH(2) in the presence of Pd//CaCO(3)- qui...

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  3. Which of the following reactions will give alkyne?

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  4. When 1-butyne undergoes oxymercuraction with the help of HgSO(4)+H(2)S...

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  5. The final product in following sequence of reaction is : PhC-= overse...

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  6. Which of the following form alkynide ?

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  7. Ph-C -= C - CH3 overset(HgSO4)underset(H2SO4) to A,

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  8. Alkyne, reacted with hot acidic KMnO4 gives HCOOH and CH3 CH2 COOH. Th...

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  9. What happens when acetylene is treated with hypochlorous acid

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  10. CH(3)C-=C CH(3) underset((ii) H(2)O""//Zn)overset((i) X) to CH(3)-unde...

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  11. Gem dihalides on treatment with alcoholic KOH followed by action of Na...

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  12. A underset((II) H2 O2, OH^(-))overset((I) BH3 (TH F))larr CH3 C -= CH ...

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  13. Ethylidene dichloride is obtained by the reaction of excess of HCl ...

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  14. The hydrocarbon which can react with NaOH :

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  15. A compound 'X' on ozonolysis followed by reduction gives an aldehyde, ...

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  16. Identify the product (P) : Ph-C-=CH underset(Zn-H(2)O)overset(O(3))toP

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  17. An alkene on reductive ozonolysis gives two molecules of CH(2)(CHO)(2...

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  18. The non-aromatic compound among the following is

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  19. Which one of these is not true of benzene :

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  20. Which of the following species is aromatic?

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