What is Z in the following reaction sequence?

${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2 \underset{\left(\mathrm{iii}\right) \mathrm{CO}, \mathrm{HCl} \mathrm{anhy} {\mathrm{AlCl}}_3/\mathrm{CuCl}}{\overset{\left(\mathrm{i}\right) {\mathrm{NaNO}}_2+ \mathrm{HCl}/ 273\mathrm{K}, \left(\mathrm{ii}\right) {\mathrm{H}}_3{\mathrm{PO}}_2+ {\mathrm{H}}_2\mathrm{O}}{\to }} \mathrm{Z}$

• C₆H₅CO₂H

• C₆H₅OH

• C₆H₅CHO

• C₆H₆

${\mathrm{CH}}_3\mathrm{MgBr} + {\mathrm{CO}}_2 \stackrel{\mathrm{Dry}\hspace{0.17em}\mathrm{ether}}{\to } \mathrm{Y} \stackrel{{\mathrm{H}}_3{\mathrm{O}}^{\oplus }}{\to } \mathrm{Z}$ . Identify Z from the following.

• Ethyl acetate

• Acetic acid

• Propanoic acid

• Methyl acetate.

In which of the following reactions, the product is not correct?

• CH₃CHO $\stackrel{{\mathrm{LiAlH}}_4}{\to }$ CH₃CH₂OH

• CH₃COCH₃ $\underset{\mathrm{HCl}}{\overset{\mathrm{Zn}-\mathrm{Hg}}{\to }}$ CH₃(OH)₂CH₃

• CH₃CH₂CHO $\underset{\left(\mathrm{ii}\right) \mathrm{KOH}, \mathrm{ethylene} \mathrm{glycol}/ ∆}{\overset{\left(\mathrm{i}\right) {\mathrm{H}}_2\mathrm{N}-{\mathrm{NH}}_2}{\to }}$ CH₃CH₂CH₃

• CH₃CH₂CHO $\stackrel{{\mathrm{KMnO}}_4}{\to }$ CH₃CH₂COOH

Identify the name of the following reaction:

• Gattermann Koch reaction

• Gattermann reaction

• Stephen reaction

• Etard reaction

What is C in the following sequence of reaction?

CH₃OH $\stackrel{{\mathrm{PCl}}_3}{\to } \mathrm{A} \stackrel{\mathrm{KCN}}{\to } \mathrm{B} \stackrel{\mathrm{Hydrolysis}}{\to }$ C

• CH₃CH₂OH

• CH₃CHO

• CH₃COOH

• HOCH₂-CH₂OH

What are X and Y in the following reactions?

What is Z in the followmg sequence of reactions?

• —CO—CH₃

• —CO—Cl

• —CH₃

• —CH₂—CH₃

What are X and Y in the following reactions?

$$\begin{gathered} {\mathrm{CH}}_2\mathrm{O} \underset{\left(\mathrm{ii}\right) {\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\left(\mathrm{i}\right) \mathrm{X}}{\to }} {\mathrm{CH}}_3({\mathrm{CH}}_2{)}_2{\mathrm{CH}}_2\mathrm{OH} \\ \mathrm{Y} \underset{\left(\mathrm{ii}\right) {\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\left(\mathrm{i}\right) {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{MgBr}}{\to }} {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{C}({\mathrm{CH}}_3{)}_2\mathrm{OH} \end{gathered}$$

• X	Y
  CH3-CH(CH3)-MgBr	C2H5COCH3

• X	Y
  CH3CH2CH2MgBr	CH3-CO-CH3

• X	Y
  (CH3)3CMgBr	CH3-CO-CH3

• X	Y
  CH3-CH2-MgBr	CH3CH2CHO

The increasing order of acidity of the following carboxylic acids is

  I          II          III       IV

• III < IV < II < I

• II < III < II < I

• I < II < IV < III

• III < IV < I < II

220.

Which of the following does not contain -COOH group?

• Citric acid

• Lactic acid

• Malanie acid

• Picric acid