Download App

Aldehydes, Ketones, and Carboxylic Acids — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryAldehydes, Ketones, and Carboxylic Acids1 Mark
Question
Bring out the following conversion:
Acetaldehyde to But-2-enal.
✓

Answer

$\ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{OH}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ || \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ | \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ||\\ \text{CH}_3-\text{C}-\text{H}\ \xrightarrow{\text{OH}^-}\ \text{CH}_3-\text{CH}-\text{CH}_2-\text{C}-\text{H}\\ \ \ \ \ \ ^\text{Acetaldehyde}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ||\\\xrightarrow{\ \text{Heat}\ }\ \ \text{CH}_3-\text{CH}==\text{CH}-\text{C}-\text{H}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ^{\text{But}-2-\text{enal}}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from Aldehydes, Ketones, and Carboxylic Acids→Aldehydes, Ketones, and Carboxylic Acids — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Where does the water present in the egg go after boiling the egg?
→
Arrange the following compounds in an increasing order of their solubility in water:

C6H5NH2, (C2H5)2NH, C2H5NH2.

→
Write Electronic configuration of Second transition metal : Nb
→
When does the reactivity of haloarenes increase for nucleophilic substitution?
→
How will you bring about the following conversion in not more than two step?

Propanone to Propene.

→
Which of the products will be major product in the reaction given below? Explain.
$\text{CH}_3\text{CH}=\text{CH}_2+\text{HI}\xrightarrow{ \ \ \ \ \ \ \ \ }\text{CH}_3\text{CH}_2\text{CH}_2\text{I}+\text{CH}_3\text{CHICH}_3\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{(A)} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{(B)}$
→
Write the structure of the following compound.

Di-sec. butyl ketone.

→
Arrange each set of compound in order of increasing boiling points.
1-Chloropropane, Isopropyl chloride, 1-Chlorobutane.
→
Analysis shows that FeO has a non-stoichiometric composition with formula Fe0.95O. Give reason.
→
Ammonia bottle is cooled before opening, why?
→