The bond order and magnetic behavior of O ion are, respectively: (A) 2 and diamagnetic. (B) 1.5 and paramagnetic. (C) 1 and paramagnetic. (D) 1.5 and diamagnetic. O vk;u dh vkcU/k dksfV ,oa pqEcdh; O;

Question

The bond order and magnetic behavior of O ion are, respectively:

(A) 2 and diamagnetic.
(B) 1.5 and paramagnetic.
(C) 1 and paramagnetic.
(D) 1.5 and diamagnetic. O vk;u dh vkcU/k dksfV ,oa pqEcdh; O;ogkj gSa] Øe'k% (1) 2 ,oa izfrpqEcdh; (2) 1.5 oa vuqpqEcdh; (3) 1 ,oa vuqpqEcdh; (4) 1.5 ,oa izfrpqEcdh;

Prashant Kotian · Accepted Answer

Correct answer: B.  O (Total electron = 17) {Bond order = 1.5, Paramagnetic} 1s2, *1s2,2s2,*2s2,2Pz2,2Px2 =2Py1, *2Px2*2Py1, *2Pz0 Number of unpaired electron = 1 so it is paramagnetic Bond order = n n a b  = 7 10 = 1.5

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