Chemical Properties of Carboxylic Acids and its Derivatives

Acetyl bromide reacts with excess of  ${\mathrm{CH}}_3\mathrm{MgI}$ followed by treatment with a saturated solution of  ${\mathrm{NH}}_4\mathrm{Cl}$ gives –

Among the following acids which has the lowest  ${\mathrm{pK}}_{\mathrm{a}}$ value?

A liquid was mixed with ethanol and a drop of concentrated H₂SO₄ was added. A compound with a fruity smell was formed. The liquid was:

A liquid was mixed with ethanol and a drop of concentrated H₂SO₄ was added. A compound with a fruity smell was formed. The liquid was:

Which amongst the following compounds has the highest acid strength?

The major product formed in the following reaction is

The CORRECT reagent to effect following conversion is

The CORRECT order of $\mathrm{pKa}$ value of the following acids is

The major product formed in the following reaction is

 $\underset{\mathrm{electrolysis}}{\overset{\mathrm{NaOH}\left(\mathrm{aq}\right)}{\to }}$

Reaction of propanoic acid with ${\mathrm{Br}}_2$ and red phosphorous followed by treatment with water gives

The CORRECT order of acidity for the following compounds is
(I) ${\mathrm{CH}}_2={\mathrm{CHCO}}_2\mathrm{H}$
(II) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CO}}_2\mathrm{H}$
(III) ${\mathrm{Cl}}_2{\mathrm{CHCO}}_2\mathrm{H}$

The CORRECT sequence of reagents that would give following conversion is

Electrolysis of aqueous solution of isobutyric acid gives

Which of the following reagents can convert acid chloride into alcohols?

Consider the reaction.

The functional group of cyclic compound (A) is:

The self-condensation reaction of one molecule of $5$-hydroxyhexanoic acid gives

The Hell-Volhard-Zelinsky reaction is used to