91Ó°ÊÓ

Match the following: List I (Reaction) 1\. \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}+\mathrm{NaOH} \longrightarrow \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}\) 2\. \(\mathrm{C}_{6} \mathrm{H}_{6}+\mathrm{CH}_{3} \mathrm{Cl} \stackrel{\text { Anhyd. } \mathrm{AICl}_{3}}{+\mathrm{Cd} / \mathrm{BaSO}} \stackrel{\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}}{\longrightarrow} \mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}\). 3\. \(\mathrm{RCOCl}+\mathrm{H}_{2} \stackrel{\mathrm{Pd} / \mathrm{BaSO}_{4}}{\longrightarrow} \mathrm{RCHO}\) 4\. \(\mathrm{C}_{6} \mathrm{H}_{3} \mathrm{OH}+\mathrm{NaOH}+\mathrm{CO}_{2} \stackrel{\text { 1. heat, 2. } \mathrm{H}^{\prime}}{\longrightarrow}\) List II (Name of reactions) (i) Rosenmund reduction (ii) Kolbe's reaction (iii) Claisen reaction (iv) Cannizzaro reaction (v) Friedal-Craft's reaction The correct matching is: The correct matching is: 1 2 3 4 (a) (iv) (v) (i) (ii) (b) (v) (i) (ii) (iii) (c) (v) (iii) (ii) (i) (d) (iv) (ii) (iii) (i)

Match the following List II (i) Anhydrous \(\mathrm{ZnCl}_{2}\) (ii) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{O}^{\theta}\) (iii) \(\mathrm{P}\) (iv) \(\mathrm{LiAlH}_{4}\) The correct matching is: The correct matching is: 1 2 3 4 (a) (ii) (iii) (iv) (i) (b) (ii) (iii) (i) (iv) (c) (iii) (ii) (iv) (i) (d) (i) (iii) (iv) (ii)

Match the following Column-I (A) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{CHO}\) (B) \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}\) (B) \(\mathrm{HCHO}\) (D) \(\mathrm{CH}_{3} \mathrm{CHO}\) Column-II (p) Aldol addition (q) Cannizaro reaction (r) Perkin condensation (s) Haloform reaction (t) Positive test with Tollen's reagent

Formaldehyde is warmed with \(50 \% \mathrm{NaOH}\). The order of reaction that takes place is

The total number of enolates that can be formed, when 2 - Butanone is treated with a base is

When \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{COOH}\) is reduced with \(\mathrm{LiAlH}_{4}\) the compound obtained will be (a) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{COOH}\) (b) \(\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2} \mathrm{OH}\) (c) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}_{2} \mathrm{OH}\) (d) \(\mathrm{CH}_{3}-\mathrm{CH}_{2}^{3}-\mathrm{CHO}\)

In the anion HCOO- the two carbon-oxygen bonds are found to be of equal length. What is the reason for it? (a) electronic orbits of carbon atom are hybridized (b) The \(\mathrm{C}=\mathrm{O}\) bond is weaker than the \(\mathrm{C}-\mathrm{O}\) bond (c) The anion HCOO- has two resonating structures (d) the anion is obtained by removal of a proton from the acid molecule

On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is (a) \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}+\mathrm{NaCl}\) (b) \(\mathrm{CH}_{3} \mathrm{COONa}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) (c) \(\mathrm{CH}_{3} \mathrm{COCl}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{NaOH}\) (d) \(\mathrm{CH}_{3} \mathrm{Cl}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COONa}\)

Which one of the following is reduced with zinc and hydrochloric acid to give the corresponding hydrocarbon? (a) ethyl acetate (b) acetic acid (c) acetamide (d) butan-2-one

Among the following acids which has the lowest pKa value? (a) \(\mathrm{CH}_{3} \mathrm{COOH}\) (b) \(\mathrm{HCOOH}\) (c) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CH}-\mathrm{COOH}\) (d) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COH}\)