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[P]overset(Br2)toC2H4Br2overset(NaNH2)un...

`[P]overset(Br_2)toC_2H_4Br_2overset(NaNH_2)underset(NH_3(l))to[Q]`
`[Q]overset(20%H_2SO_4)underset(Hg^(2+),Delta)to[R]overset(Zn-Hg//HCl)to[S]`
The species P,Q,R and S respectively are-

A

ethene,ethyne,ethanal,ethane

B

ethene,ethyne,ethanal,ethane

C

ethene,ethyne,ethanal,ethanol

D

ethyne,ethane,ethene,ethanal

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CHHAYA PUBLICATION-HYDROCARBONS-ENTRANCE QUESTION BANK (WBJEE) ENGINEERING AND MEDICAL ARCHIVE
  1. The major products (s) obtained in the following reaction is (are)-

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  2. The number of possible organobromine compounds which can be obtained i...

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  3. [P]overset(Br2)toC2H4Br2overset(NaNH2)underset(NH3(l))to[Q] [Q]overs...

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  4. The number of alkene(s) which can produces 2-butanol by the successive...

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  5. CH3C-=CHgBr can be prepared by the reaction of -

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  6. (i) CH3underset(H3C)underset(|)Chunderset(OH)underset(|)CHCH3 overset(...

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  7. In the following reaction : H3C-overset(CH3)overset(|)underset(CH3)u...

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  8. Which of the following reagents is used to distinguish between 1-butyn...

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  9. Which one of the following compounds is most reactive towards electro...

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  10. Which of the following compounds will not undergo Friedel-Crafts react...

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  11. The radical is aromatic because it has

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  12. Some meta-directing substituents in aromatic substitution are given. W...

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  13. Nitrobenzene on reaction with conc. HNO3//H2SO4 at 80-100^@C forms whi...

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  14. Identify Z in the sequence of reactions: CH3CH2CH=CH2overset(HBr//H...

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  15. Which of the following organic compounds has same hybridisation as it...

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  16. The oxidation of benzene by V2O5 in the presence of air produces-

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  17. Which of the following is nor the product of dehydration of

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  18. In the reaction with HCl , an alkane reacts in accordance with the Mar...

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  19. The correct statement regarding the comparison of staggered and eclips...

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  20. Consider the nitration of benzene using mixed conc.H2SO4 and HNO3 . If...

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