JEE Main 2016 · 10 Apr · Shift 1 · Chemistry Q54

ChemistrySingle correct+4 / -1Question 54 of 90

Which one of the following reagents is not suitable for the elimination reaction ?

\ce{NaOH/H2O}

NaOEt/EtOH

\ce{NaOH/H2O-EtOH}

NaI

Answer and worked solution

Official answer: D

Iodide is a good nucleophile but a very weak base, so NaI gives substitution (Finkelstein), not elimination. Hydroxide and ethoxide can remove HBr.

JEE Main 2016 · 10 Apr · Shift 1, Chemistry question 54