Question

synthesis of p-iodonitrobenzene from benzene​

Answer 1

$\huge\bigstar\underline\mathfrak\blue{ANSWER}$

the diazonium salt from p-nitroaniline. ... When all of the solid has dissolved, cool the solution to 5 °C in an ice bath and then slowly add the sodium nitrite solution to the solution of the p-nitroaniline at such a rate so as to maintain the temperature of the reaction below 10 °C.