Download App

Carbonyl Compounds and Carboxylic Acids — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryCarbonyl Compounds and Carboxylic Acids2 Marks
Question
How will you prepare acetaldehyde from ethyne?
✓

Answer

Conversion of ethyne into acetaldehyde:

$\underset{\text { (Ethyne) }}{ CH } \equiv CH + H _2 O \underset{40 \% H _2 SO _4}{\stackrel{1 \% HgSO _4}{\longrightarrow}} \underset{\text { (Acetaldehyde) }}{ CH _3 CHO }$

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 "[ 2 Marks Questions ]" from Carbonyl Compounds and Carboxylic Acids→Carbonyl Compounds and Carboxylic Acids — all question types→Chemistry STD 12 question papers→Tamilnadu Board STD 12 question papers→Tamilnadu Board question paper generator→

Similar questions

Write the reason for the anomalous behaviour of Nitrogen.
→
Write a short note on anomalous properties of the first element of the p-block.
→
Explain the method of preparation of gold sol by reduction method.
→
Explain the action of nitrous acid with trimethyl amine.
→
How are biopolymers more beneficial than synthetic polymers?
→
How would you get iodo benzene form benzene diazonium chloride.
→
Benzene diazonium chloride in aqueous solution decomposes according to the equation
$C _6 H _5 N _2 Cl \longrightarrow C _6 H _5 Cl + N _2$
.Starting with an initial concentration of $10 g L ^{-1}$, the volume of $N _2$ gas obtained at $50^{\circ} C$ at different intervals of time was found to be as under:
t (min): 6 12 18 24 30 ∞
Vol. of $N_2$
(ml)		 19.3 32.6 41.3 46.5 50.4 58.3
Show that the above reaction follows the first order kinetics. What is the value of the rate constant?
→
What is Gangue?
→
Define coordination number.
→
Explain why is ortho nitrophenol more acidic than ortho methoxyphenol?
→