Which of the following is incorrect ? | CHEMISTRY - PERIODIC TRENDS IN PROPERTIES OF ELEMENTS | SolveeIt | Solveeit

Today, August 24

Question

Which of the following is incorrect ?

A

IE₁ of Li < IE₁ of Be

B

IE₁ of Be < IE₁ of B

C

IE₁ of Li > IE₁ of Na

D

IE₁ of He > IE₁ of Ne

Answer

IE₁ of Be < IE₁ of B

Explanation

Solution

IE₁ of Be > IE₁ of B; In Be removal occurs from 2s; In B it occurs from 2p. More closer are subshell to nucleus more is IE.