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Which combination is best for preparatio...

Which combination is best for preparation of the compound (A) shown below ?

A

B

C

D

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The correct Answer is:
B

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MS CHOUHAN-HYDROCARBONS (ALKYNES)-Level -1
  1. Ph-C -=CH underset(MeOH)overset(MeO)to major product of the reaction i...

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  2. Ph-underset(Cl)underset(|)overset(Cl)overset(|)C-CH3 overset(3NaNH2)to...

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  3. Which combination is best for preparation of the compound (A) shown be...

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  4. Which one of the following is the intermediate in the preparation of a...

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  5. To carry out above conversion , (A) and (B) respectively, are :

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  6. H-C-=C-Ph , Product obtained in this reaction is :

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  7. underset((ii) CH(3)Br)overset((i) NaNH(2), NH(3))rarr (A) underset("Li...

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  8. Which of the following alkynes on treatment with H2 92 mole)/pt gives...

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  9. CaC2 overset(H2O)to A underset(Cu" tube") overset("Red hot ")to B. B i...

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  10. What is the final product, C, of the following reaction sequence ?

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  11. Compound (X) will be :

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  12. Choose the sequence of steps that describes the best synthesis of 1-bu...

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  13. Which alkyne yields butanoic acid (CH3-CH2 - CH2 - CO2 -CO2H). As the ...

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  14. Unit of unsaturation in compound (A) ?

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  15. product (C) of above reaction is :

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  16. To convert 1-butyne to 1-D-butanal, one would carry out the following ...

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  17. An unknown compound (A) has a molecular formula C(4)H(6). When (A) is ...

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  18. 1,2-Dibromopropane on treatment with X moles of NaNH2 followed by trea...

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  19. CH(3)-overset(CH(3))overset(|)(CH)-C-=CH overset("excess HBr")rarr T...

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  20. CH(3)-CH=CH-CH(3)overset(KMnO(4)//H^(+))rarr product in this reaction

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