[figure: phenol converted to 4-bromophenol (Major Product)] The given reaction can occur in the presence of : (a) Bromine water (b) $\mathrm{Br_2}$ in $\mathrm{CS_2}$, 273 K (c) $\mathrm{Br_2/FeBr_3}$ (d) $\mathrm{Br_2}$ in $\mathrm{CHCl_3}$, 273 K Choose the correct answer from the options given below :

Option 3: (b), (c) and (d) only

JEE Main 2021 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 25 July 2021, Shift 1, Chemistry Q45

Question 45 of 90 in this shift, Chemistry question 15 of 30, Section A.

[figure: phenol converted to 4-bromophenol (Major Product)] The given reaction can occur in the presence of : (a) Bromine water (b)

\mathrm{Br_2}

\mathrm{CS_2}

, 273 K (c)

\mathrm{Br_2/FeBr_3}

(d)

\mathrm{Br_2}

\mathrm{CHCl_3}

, 273 K Choose the correct answer from the options given below :

The figure, in words

Phenol (OH on benzene ring) with arrow to para-bromophenol (OH at top, Br at bottom), labelled Major Product.

Official answer

Option 3

NTA final key.