why is acid catalysed halogenation of ketones in general prefered over the base promoted halogenation?

Expert Solution

queen_honey_blossom answered 3 years ago

1. Why do ketones not yield to a silver mirror? 2. Why is HNO3 (nitric acid)...

1. Why do ketones not yield to a silver mirror? 2. Why is HNO3 (nitric acid) suitable for removing the silver mirror? Write a chemical equation to support your answer.

9. How is His able to act as both a general base and general acid catalyst...

9. How is His able to act as both a general base and general acid catalyst at the same pH? b) How is Ser able to act as a nucleophile? c) How is the transition-state stabilized by chymotrypsin? 10. Explain why chymotrypsin would become inactive at a: a) low temperature. b) high temperature. c) pH = 4.0.

Why are aldehydes usually more reactive than ketones? Why are ketones more reactive than esters, and...

Why are aldehydes usually more reactive than ketones? Why are ketones more reactive than esters, and ester more reactive than amides? Please help explain with the help of steric, indcutive and resonance effects. Show an example for each class of compounds please. Thank you!

1. Explain why base is needed in an acid base extraction to separate the components of...

1. Explain why base is needed in an acid base extraction to separate the components of a mixture? Why is acid often added at the end to obtain the final product? 2. Why does foaming occur when acid is added to a bicarbonate extraction? Explain with chemical equations

Explain why BH3 is a Lewis Acid. Why is water considered to be a Lewis Base?

1. The conjugate base of a stong acid has no effect on the pH. Why or...

1. The conjugate base of a stong acid has no effect on the pH. Why or why not? Include a comment on the conjugate acid of a base. 2. Given the discussion of question one above, then if I were to dissolve the following salt, KNO3, in water, what would the resulting pH be and why?

In a heat of neutralization lab experiment, why do the temperatures of the acid and base...

In a heat of neutralization lab experiment, why do the temperatures of the acid and base must be the same? What happens if they are not the same?

In the following acid–base reaction, classify each substance as the stronger acid, weaker acid, stronger base,...

In the following acid–base reaction, classify each substance as the stronger acid, weaker acid, stronger base, or weaker base. HCN +HCO3- ---> <--- CN- + H2CO3. Which direction does equilibrium favor? a) to the left b) both directions c) to the right

Based on the data table below, identify a general trend in reaction speed for ketones/aldehydes and...

Based on the data table below, identify a general trend in reaction speed for ketones/aldehydes and provide an explanation for these trends. Ketone MM (g/mol) Aldehyde MM (g/mol) Rxn time (min) Product (g) Theoretical Yield acetone 58.1 benzaldehyde 106.1 1.75 0.742 0.5406 137% cyclopentanone 84.1 benzaldehyde 106.1 0 0.557 0.5926 94% cyclopentanone 84.1 benzaldehyde 106.1 0 0.724 0.5926 122% acetone 58.1 cinnamaldehyde 132.2 4 0.432 0.645 67% cyclopentanone 84.1 4-methylbenzaldehyde 120.2 0 0.637 0.649 98% acetone 58.1 4-methoxybenzaldehyde 136.2 18...

A. Complete the following Bronsted-Lowry acid-base equation.HNO2 is the acid.B. Identify the acid, base,...

A. Complete the following Bronsted-Lowry acid-base equation. HNO2 is the acid. B. Identify the acid, base, conjugate acid, conjugate base and conjugate acid-base pairs in the following equation. HNO2 + HS-1 ↔

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