What is IUPAC name of Formaldehyde ?

Important Questions on Aldehydes and Ketones

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (i)

Explain why HCHO is more reactive than acetaldehyde.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (ii)

Explain why diethyl ketone does not exhibit a halo form reaction.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (iii)

In what respect, the $\mathrm{C} = \mathrm{C} \mathrm{and} \mathrm{C} =\mathrm{O}$ bonds resemble each other?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (iv)

Arrange $\mathrm{HCHO}, {\mathrm{CH}}_3\mathrm{CHO} \mathrm{and} {\mathrm{CH}}_3{\mathrm{COCH}}_3$ in order of increasing reactivity towards $\mathrm{HCN}$.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (v)

Explain why the boiling points of aldehydes and ketones are lower than those of alcohol.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (vi)

Explain why the lower members of carbonyl compounds are soluble in water ?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (vii)

How is acetaldehyde prepared from ethanol ?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 18 - Aldehydes and Ketones>ADDITIONAL QUESTIONS>Q (viii)

What is the function of ${\mathrm{BaSO}}_4$ in Rosenmund's reduction.