What is D in the given sequence of reaction?
This is a haloform reaction.
\( \text{C}_6\text{H}_5\text{COCH}_3 + 3\text{Br}_2 + 4\text{OH}^{-} \rightarrow \text{C}_6\text{H}_5\text{COO}^{-} + 3\text{HBr} + \text{CHBr}_3 \)
\( \text{C}_6\text{H}_5\text{COO}^{-} + \text{H}^+ \rightarrow \text{C}_6\text{H}_5\text{COOH} \)
A is benzoic acid (\( \text{C}_6\text{H}_5\text{COOH} \)).
\( \text{C}_6\text{H}_5\text{COOH} + \text{NH}_3 \rightarrow \text{C}_6\text{H}_5\text{COONH}_4 \)
\( \text{C}_6\text{H}_5\text{COONH}_4 \xrightarrow{\Delta} \text{C}_6\text{H}_5\text{CONH}_2 + \text{H}_2\text{O} \)
B is benzamide (\( \text{C}_6\text{H}_5\text{CONH}_2 \)).
This is Hoffmann bromamide degradation.
\( \text{C}_6\text{H}_5\text{CONH}_2 + \text{Br}_2 + 4\text{NaOH} \rightarrow \text{C}_6\text{H}_5\text{NH}_2 + \text{Na}_2\text{CO}_3 + 2\text{NaBr} + 2\text{H}_2\text{O} \)
C is aniline (\( \text{C}_6\text{H}_5\text{NH}_2 \)).
This is the carbylamine reaction.
\( \text{C}_6\text{H}_5\text{NH}_2 + \text{CHCl}_3 + 3\text{KOH} \rightarrow \text{C}_6\text{H}_5\text{NC} + 3\text{KCl} + 3\text{H}_2\text{O} \)
D is benzene isocyanide (\( \text{C}_6\text{H}_5\text{NC} \)).
Therefore, D is benzene isocyanide.
Final Answer:Two statements are given below
Statement I: Benzanamine can be prepared from phthalimide.
Statement II: Benzanamine is less basic than phenyl methanamine.
What are X and Z in the following reaction sequence?
What is Y in the following reaction sequence?
Observe the following set of reactions:
Correct statement regarding Y and B is:
What is X in the following reaction?
Match the following:
Amino acids are represented by the following general structure:
Find out the pair in which amino acid is correctly matched with its group R:
Sucrose is a disaccharide of which of the following?
In which of the following the polymer is correctly matched with the catalyst used for its preparation?
I. Teflon - Persulphate
II. Low density polythene - Triethyl aluminium and titanium tetrachloride
III. Terylene - Zinc acetate/antimony trioxide