Go To Your Study Dashboard

Get Answers to all your Questions

header-bg

The first ionization enthalpies of $\mathrm{\mathrm{Be}, \mathrm{B}, \mathrm{N}}$ and $\mathrm{\mathrm{O} }$ follow the order
Option: 1
$\mathrm{\mathrm{O}<\mathrm{N}<\mathrm{B}<\mathrm{Be}}$

Option: 2
$\mathrm{\mathrm{Be}<\mathrm{B}<\mathrm{N}<\mathrm{O}}$

Option: 3
$\mathrm{\mathrm{B}<\mathrm{Be}<\mathrm{N}<\mathrm{O}}$

Option: 4
$\mathrm{\mathrm{B}<\mathrm{Be}<\mathrm{O}<\mathrm{N}}$

Answers (1)

best_answer

The correct order is :-

$\mathrm{B\:<\:B e\: <\: O\:<\:N}$

$\mathrm{2p^{1}}$ $\mathrm{2s^{2}}$ $\mathrm{2p^{4}}$ $\mathrm{2p^{3}}$

$\mathrm{IE_{1}}$ $(801)$ $(899)$ $(1314)$ $(1402)$

Hence, the correct answer is Option (4).

Posted by

Devendra Khairwa

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pK_b of ammonia solution is 4.75, the pH of the mixture will be :
Option: 1 3.75
Option: 2 4.75

Trending Articles/News

anam-khan

JEE Main 2025 Results LIVE: NTA April session result date, time soon; BTech scorecard at jeemain.nta.nic.in

anam-khan

JEE Main 2025 answer key is provisional: NTA says 'drawing conclusions not desirable'

anam-khan

'Students pay for NTA’s mistakes': JEE Main 2025 answer key shows 9 errors, out-of-syllabus questions

Latest Question