Aldehydes And Ketones Test

Result

Aldehydes And Ketones Test - 8

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Weekly Quiz Competition

Question 1
1 / -0

The major product of hydroboration-oxidation of 2-pentyne is

A
2-pentanone

B
3-pentanone

C
butanal

D
butanone

Solution

2-pentanone is the major product and 3-pentanone is the minor product.
Question 2
1 / -0

Formaldehyde cannot be prepared by reduction of formyl chloride using poisoned catalyst because

A
HCHO is volatile

B
formaldehyde formed is oxidised to formic acid

C
HCOCl is volatile at room temperature

D
HCOCl is unstable at room temperature

Solution

Formyl chloride is unstable at room temperature.
Question 3
1 / -0

Formation of aldehydes from acyl chlorides using Lindlar's reagent is called

A
Stephen reduction

B
Rosenmund reduction

C
Gattermann-Koch reaction

D
Etard reaction

Solution

Rosenmund reduction is used to prepare aldehydes by controlled reduction of acyl halides. The reducing agent used is Lindlar's reagent.