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1,2-Dibromopropane on treatment with X m...

1,2-Dibromopropane on treatment with X moles of NaNH_2` followed by treatment with ethyl bromide gave a pentyne. The value of X is

A

one

B

Two

C

Three

D

Four

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-HYDROCARBONS-ADDITIONAL PRACTICE SHEET ( LEVEL-I (LECTURE SHEET (MAIN) (STRAIGHT OBJECTIVE TYPE QUESTIONS)))
  1. major product ,

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  3. 1,2-Dibromopropane on treatment with X moles of NaNH2 followed by trea...

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  4. Which of the following order is correct regarding stability (I) CH3 ...

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  5. , Product (A) is :

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  6. Alkene (A) will be

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  7. The product (A) of given alkoxy mercuration , demercuration is

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  8. , product 'A' is

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  9. .Product '(C)' of the reaction is :

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  10. . What is major product expected from the following reaction?

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  11. CH3 - CH2-CH2 -C -= CH underset(THF)overset(BH3)to underset(OH^(-))ove...

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  12. 'X' overset(Ag//Delta)to 'Y' where if 'Y' is ethyne, X is.

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  13. CH3 - C -= C-CH3 underset(Pd-BaSO4)overset(H2)to (A) underset(Ni)overs...

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  14. CH2 = CH - C -= CH overset(HCl)to . The major product is

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  15. What are X and Y respectively in the following reaction? Z - product...

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  16. In the reaction :- H2C = CH - CH = CH2 underset(180^(@)C)overset(Br2)t...

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  17. Reductived ozonolysis of allene CH3 - CH = C = CH2 will give

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  18. In the alkylation of benzene, stable sigma complex.

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  19. Observe the following two reaction of benzene. A) C6H6 + CH3Cl under...

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  20. Which the following reagent can not form tert- pentyl Benzene as the m...

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