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Engineering Chemistry · Q47

Transition Elements

Engineering and GATE · Engineering Chemistry · question 47

Q47

In the isoelectronic series, V O_4^3 - , Cr O_4^2 - and Mn O_4^ - , all members have intense charge transfer (CT) transitions. The incorrect statement is

In the isoelectronic series, V, Cr and Mn, all members have intense charge transfer (CT) transitions. The incorrect statement is
A.
CT transitions are attributed to excitations of electrons from ligand (σ) to metal (e)
B.
Mn exhibits charge transfer at shortest wavelength among the three
Answer
C.
The wavelengths of transitions· increase in the order V < Cr < Mn
D.
The charge on metal nucleus increases in the order V < Cr < Mn

Answer: Option B

Solution

Answer: Option B
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