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In alkaline hydrolysis of a tertiary alk...

In alkaline hydrolysis of a tertiary alkyl halide by aqueous alkali, if concentration of alkali is doubled, then the reaction rate at constant temperature

A

will be doubled

B

will be halved

C

will becomes

D

will remain constant

Text Solution

Verified by Experts

The correct Answer is:
D

Tertiary alkyl undergoes `S_(N)1` mechanism.
Rate = k [RX]
Rate of reaction depends only upon the substrate in `S_(N)1` reaction. Hence, the reaction rate at constant temperature will remain constant.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ALKYL HALIDE-PRACTICE EXERCISE (Exercise 1 (TOPICAL PROBLEMS))
  1. Which one of the following forms propane nitrile as the major product?

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  2. In the following reaction RX +A rarr RNC The reactant 'A' is

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  3. In alkaline hydrolysis of a tertiary alkyl halide by aqueous alkali, i...

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  4. CH(3)CH(2)CH(2)Br overset(KOH)underset("alcohol")rarr CH(3)CH=CH(2) ...

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  5. An etheral solution of alkyl halide is heated with sodium metal. The r...

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  6. Which of the following can give a Grignard reagent when reacted with m...

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  7. The hydrolysis of optically active 2-bromobutane with aqueous NaOH res...

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  8. R-X +"Nal" overset("Acetone,"Delta)hArr R-l+NaX The forward reaction...

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  9. Which of the following reaction is incorrect?

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  10. In the reaction C(2)H(5)OH+HX overset(ZnX(2))rarr C(2)H(5)X, the order...

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  11. The alkyl halide that undergoes S(N)1 reaction more readily is

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  12. Which halide does not get hydrolysed by sodium hydroxide?

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  13. When ethyl iodide is heated with dry silver oxide, the product formed ...

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  14. When neopentyl bromide is subjected to Wurtz reaction, the product for...

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  15. The by product formed in the reaction is ROH+PCl(5)rarr RCl+…..+……

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  16. R-X+Nal rarr R-l +NaX The solvent which is used in the above reactio...

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  17. Consider the following compounds. The correct increasing order o...

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  18. Which of the following molecule is achiral?

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  19. Among the following,the most reactive towards alcoholic KOH is

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  20. When 3-phenyl propene is treated with HBr in the presence of proxide, ...

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