Chapter 4

(P) has molecular formula ' \(\mathrm{C}_{8} \mathrm{H}_{8} \mathrm{O}\) ' which forms red-orange ppt with (+ve) 2,4-DNP. (Q) on acidification \(\mathrm{f}_{0 \mathrm{rm}} \mathrm{C}_{7} \mathrm{H}_{6} \mathrm{O}_{2}\) Choose the correct option(s): (A) (R) is used as antiseptic (B) Red- Orange ppt. is 2,4 -dinitrophenyl hydrazone (C) (P) is acetophenone (D) (S) evolves \(\mathrm{CO}_{2}\) gas with \(\mathrm{NaHCO}_{3}\)

For given reaction sequence, If 'P' has molecular formula ' \(\mathrm{C}_{4} \mathrm{H}_{\mathrm{g}} \mathrm{O}\), produces oxime with \(\mathrm{NH}_{2} \mathrm{OH}\) which shows G.l. and cin alvi' produces racemic product on reaction with LAH. \((\mathrm{W}) \stackrel{\mathrm{CH}_{3}-\mathrm{I}}{\longrightarrow} \stackrel{\mathrm{Hg}(\mathrm{OAc})_{2} / \mathrm{H}_{2} \mathrm{O}}{\longrightarrow} \stackrel{\mathrm{NaBH}_{4} / \mathrm{OH}}{\longrightarrow}\left(\mathrm{W}^{\prime}\right)\) The correct statement(s) is/are (A) \((\mathrm{W})\) will give gem dihalide on reaction with \(\mathrm{HCl}\) (excess) (B) \(\left(\mathrm{W}^{\prime}\right)\) does not give red precipitate with ammoniacal \(\mathrm{AgNO}_{3}\) (C) Both (P) and \(\left(\mathrm{W}^{\prime}\right)\) are member of same homologous series (D) (X) will give red precipitate with ammoniacal \(\mathrm{AgNO}_{3}\)

Match the following columns: Column-I Column - II (Conversion) (Reagent) (A) Hexan-1-ol to hexanal (P) \(\mathrm{C}_{5} \mathrm{H}_{5} \mathrm{NH}^{\oplus} \mathrm{CrO}_{3} \mathrm{Cl}^{-}\) (B) But-2-ene to ethanoic acid (Q) \(\mathrm{KMnO}_{4}\) in \(\mathrm{H}^{\oplus}\) (C) Cyclohexanol to cyclohexanone (R) \(\mathrm{O}_{3} / \mathrm{H}_{2} \mathrm{O}_{2}\) (D) Allyl alcohol to propenal \((\mathrm{S}) \mathrm{MnO}_{2}\) (T) \(\mathrm{Cu} / 300^{\circ} \mathrm{C}\)

Match the following columns: Column - I Column - II (Reaction) (Type of reactions) (A) \(\mathrm{R}-\mathrm{CH}_{2}-\mathrm{OH} \stackrel{\mathrm{CrO}_{3}}{\longrightarrow}\) (P) Dehydrogenation (Q) 4 mole of oxidising agent required for 6 mole of reactant to complete oxidation (C) \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{OH} \stackrel{\mathrm{MnO}_{2}}{\longrightarrow}\) (R) Dehydration (D) (S) Elimination reaction

Match the following columns: For given reaction scheme If \((\mathrm{H})\) has molecular formula \(\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}_{2}\) which on reaction with Red P/HI gives 1 -methyl cyclohexane \(12^{2}\) (J) does not give haloform test (All products are major product). Column-I Column - II (Compounds) (Can be distinguished by) (A) \((\mathrm{H})\) and \((\mathrm{N})\) (P) 2,4 -DNP (B) (I) and (Z) (Q) \(\mathrm{Br}_{2} / \mathrm{H}_{2} \mathrm{O}\) (C) (J) and (M) (R) Iodoform test (D) \((\mathrm{G})\) and \((\mathrm{O})\) (S) Ammoniacal \(\mathrm{AgNO}_{3}\) (T) \(\mathrm{NaHSO}_{3}\) test

Find the number of moles of \(\mathrm{CH}_{3} \mathrm{MgCl}\) consumed by 1 mole of Nc1cccc(N)c1

How many moles of \(\mathrm{CH}_{3} \mathrm{MgCl}\) is required to completely react with 1 mole of 3,3 -dimethyl penta-1, 4 -dyne?