1
JEE Main 2022 (Online) 28th June Evening Shift
Numerical
+4
-1
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$${[Fe{(CN)_6}]^{4 - }}$$

$${[Fe{(CN)_6}]^{3 - }}$$

$${[Ti{(CN)_6}]^{3 - }}$$

$${[Ni{(CN)_4}]^{2 - }}$$

$${[Co{(CN)_6}]^{3 - }}$$

Among the given complexes, number of paramagnetic complexes is ____________.

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2
JEE Main 2022 (Online) 28th June Evening Shift
Numerical
+4
-1
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(a) CoCl3.4NH3,    (b) CoCl3.5NH3,      (c) CoCl3.6NH3    and    (d) CoCl(NO3)2.5NH3.

Number of complex(es) which will exist in cis-trans form is/are _______________.

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3
JEE Main 2022 (Online) 28th June Morning Shift
Numerical
+4
-1
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Number of complexes which will exhibit synergic bonding amongst, $$[Cr{(CO)_6}]$$, $$[Mn{(CO)_5}]$$ and $$[M{n_2}{(CO)_{10}}]$$ is ___________.

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4
JEE Main 2022 (Online) 27th June Morning Shift
Numerical
+4
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Acidified potassium permanganate solution oxidises oxalic acid. The spin-only magnetic moment of the manganese product formed from the above reaction is ____________ B.M. (Nearest integer)

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