can u help me to know any easy methods to know which molecule is paramagnetic,diamagnetic?
Asked by anishreddy132
10th February 2018,
12:19 PM
Answered by Expert
Answer:
Yes, there is the trick to find out which compound is paramagnetic and which is diamagnetic.
Step 1: calculate the total no. of electrons in the given compound
Step 2: If the total electron count is even then that compound is diamagnetic
there are two exceptions: 10 and 16 are paramagnetic.
or
If the total electron count is odd then that compound is paramagnetic.
For better understanding lets take an example:
Q. Which of the following species is not paramagnetic?
a) CO
b) O2
c) B2
d) NO
Solution:
In question, they are asked about that which species is not paramagnetic which means which species is diamagnetic, let's find out,
1) Total electrons in CO = 14 = even = diamagnetic
2) Total electrons in O2 = 16 = even = exception = paramagnetic
3) Total electrons in B2 = 10 = even= exception = paramagnetic
4) Total electrons in NO = 15 = odd = paramagnetic
Option A CO is dimagnetic i.e. not paramagnetic.
I hope Now you understand this trick if there is any confusion then visit us at topperlearning.com
Answered by Expert
10th February 2018,
1:02 PM
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