Chapter 4: Problem 33
Mesityloxide is
(A)
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Which of the following reagents would convert both acetaldehyde and acetone to the corresponding alkanes? (A) \(\mathrm{NaBH}_{a}\) (B) \(\mathrm{LiAlH}_{4}\) (C) \(\mathrm{Na} / \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) (D) \(\mathrm{Zn}-\mathrm{Hg} / \mathrm{conc} \cdot \mathrm{HCl}\)
Which compound cannot reduce alkaline solution of iodine? (a) (b) (c) (d)
Choose the incorrect option about reaction: $$ \mathrm{R}-\mathrm{CHO}+2\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{\oplus}+3 \mathrm{OH}^{-} \longrightarrow \mathrm{P}+2 \mathrm{Q}+2 \mathrm{~T}+4 \mathrm{~S} $$ (A) If \(\mathrm{R}\) is benzene, then \((\mathrm{P})\) is benzoic acid. (B) If \(\mathrm{T}\) is \(\mathrm{H}_{2} \mathrm{O}\), then a bright silver mirror is produced due to ' \(\mathrm{Q}\) '. (C) Reaction occurs in alkaline medium. (D) \(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{\oplus}\) is also known as Tollen's reagent.
Statement - 1: When \(\mathrm{NH}_{2}-\mathrm{NH}-\mathrm{C}-\mathrm{NH}_{2}\) is \(\mathrm{NH}_{2}-\mathrm{NH}-\mathrm{C}-\mathrm{NH}_{2}\) is reacted with will react with acetaldehyde to form major product. Statement - 2: In the above reaction, pH range is maintained between \(4.5\) to \(6.0\). (A) Both statements are correct and statement- 2 is correct explanation of statement-1. (B) Both statements are correct and statement- 2 is not correct explanation of statement-1. (C) Statement- 1 is correct but statement- 2 is wrong statement. (D) Statement- 1 is wrong but statement- 2 is correct statement.
If \((\mathrm{P})\) have formula \({ }^{‘} \mathrm{C}_{3} \mathrm{H}_{6} \mathrm{O}\) ' and gives (+ve) haloform test then incorrect option regarding following reaction sequence is : \((\mathrm{P}) \stackrel{\mathrm{NH}_{2}-\mathrm{NH}_{2}}{\longrightarrow}(\mathrm{Q}) \stackrel{\mathrm{KOH} \backslash \Delta}{\longrightarrow}(\mathrm{R})+(\mathrm{S}) \mid\) (A) Reaction is known as Wolff Kishner reduction (B) (Q) is hydrazone (C) \((\mathrm{R})\) has molecular formula \(\mathrm{C}_{3} \mathrm{H}_{8}\) (D) (S) is oxygen containing gas
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