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Which of the following statements is wro...

Which of the following statements is wrong about the transesterification reaction, catalysed by `H_3 O^(oplus) (H_2 SO_4 or dry HCl)` or `RO^(Ө) (EtONa)` ?
.

A

Alcohol `(PrOH)` is taken in excess to shift the equilibrium to `R.H.S`.

B

It involves tetrahedral inermediate in which the hybridisation of `C` of the `(C=O)` group changes from `sp^2` to `sp^3`.

C

Isotopic oxygen is present in the new alcohol `(Et overset(**) O H)` formed.

D

Rate of transesterification is dependent on the concentration of ester only.

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The correct Answer is:
D
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CENGAGE CHEMISTRY-CARBOXYLIC ACIDS AND THEIR DERIVATIVES-Exercises (Singlecorrect)
  1. Which of the following is the best method for the synthesis of ester (...

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  2. Which of the following is the best method for the synthesis of alpha-h...

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  3. Which of the following statements is wrong about the transesterificati...

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  4. The molecular weight of benzoic acid in benzene as determined by depre...

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  5. Which of the following reactions would give a good yield of hydrocarbo...

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  6. Which of the following reactions is not possible ?

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  7. underset((A)) (PhCONH2) underset(KOBr)rarr (B) underset(MeOH)rarr (C) ...

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  8. product (B) is :

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  9. underset((A))(PhCOOH)underset(underset((ii)Ag(2)O //Pt//MeOH)((ii)CH(2...

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  10. Compound (B) is :

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  11. underset((A)) (EtCOOMe) overset("(i)" NH2 NH2 "(ii)" HNO2) underset("(...

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  12. underset((A))("PhCOOMe") overset("(i)" NH2 OH) underset("(ii)" overset...

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  13. Product (B) is :

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  14. Which of the following tests would help in the distinction of HCOOH an...

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  15. Which of the following does not contain (-COOH) group ?

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  16. Acids do not give the characteristic reaction of (C=O) group because o...

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  17. The addition of Hbr to CH2 = CHCOOH results in the formation of.

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  18. Mark the correct order of increasing reactivity.

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  19. CH3COOH overset(Br2//P) rarr (Y) overset((i) KCN) underset((ii) H3 O^...

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  20. Westrosol overset(90 %H2 SO4)rarr(X) overset(NH3)rarr (Y). Here, Y is ...

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