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JEE MAIN 2021
25-07-21 S1
Question
Which one of the following species responds to an external magnetic field?
Select the correct option:
A
$\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$`
B
$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
C
`$\left[\mathrm{Co}(\mathrm{CN})_6\right]^{3-}$
D
$\left[\mathrm{Ni}(\mathrm{CO})_4\right]$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Chemistry
Easy
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