Considering the acidity of carboxylic acids:
$(I) PhCOOH$
$(II) o-NO_2C_6H_4COOH$
$(III) p-NO_2C_6H_4COOH$
$(IV) m-NO_2C_6H_4COOH$
What is the correct order of acidic strength?

Consider the following molecules and statements related to them:
$(a)$ $(B)$ is more likely to be crystalline than $(A)$
$(b)$ $(B)$ has a higher boiling point than $(A)$
$(c)$ $(B)$ dissolves more readily than $(A)$ in water.
Identify the correct option from below:

Order of acidity of benzoic acid $(I)$,$4-$methoxybenzoic acid $(II)$,acetic acid $(III)$ and $4-$nitrobenzoic acid $(IV)$ is

The major product formed in the following reaction is
$C_6H_5CH=CH_2$ $\xrightarrow[(ii) H_3O^+]{(i) KMnO_4, KOH, \Delta}$ $\xrightarrow{(iii) Br_2/FeBr_3} \text{Product}$

Identify the correct order of boiling points of the following compounds: $CH_3CH_2CH_2CH_2OH$ $(1)$,$CH_3CH_2CH_2CHO$ $(2)$,$CH_3CH_2CH_2COOH$ $(3)$.

What are $X$ and $Y$ in the following set of reactions?