06. Oxidation State of Coordination Compounds
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COORDINATION COMPOUNDS

274333 The oxidation number of $\mathrm{Mn}$ is maximum in

1 $\mathrm{MnO}_{4}$
2 $\mathrm{K}_{2} \mathrm{MnO}_{4}$
3 $\mathrm{MnO}_{4}$
4 $\mathrm{KMnO}_{4}$
Assam CEE-2020
COORDINATION COMPOUNDS

274336 The oxidation states of $\mathrm{Cr}$, in $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}$, $\left[\mathrm{Cr}\left(\mathrm{C}_{6} \mathrm{H}_{6}\right)_{2}\right]$, and $\mathrm{K}_{2}\left[\mathrm{Cr}(\mathrm{CN})_{2}(\mathrm{O})_{2}\left(\mathrm{O}_{2}\right)\left(\mathrm{NH}_{3}\right)\right]$ respectively are

1 $+3,+4$ and +6
2 $+3,+2$ and +4
3 $+3,0$ and +6
4 $+3,0$ and +4
JEE Main 2018
COORDINATION COMPOUNDS

274338 In the complex, $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right]^{+}$, the oxidation number of $\mathrm{Cr}$ is

1 +4
2 +3
3 +2
4 +6
JIPMER-2018
COORDINATION COMPOUNDS

274341 The correct charge on and co-ordination number of ' $\mathrm{Fe}$ ' in $\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$ is

1 $+2,4$
2 $+3,6$
3 $+2,6$
4 $+3,3$
MHT CET-2017
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COORDINATION COMPOUNDS

274333 The oxidation number of $\mathrm{Mn}$ is maximum in

1 $\mathrm{MnO}_{4}$
2 $\mathrm{K}_{2} \mathrm{MnO}_{4}$
3 $\mathrm{MnO}_{4}$
4 $\mathrm{KMnO}_{4}$
Assam CEE-2020
COORDINATION COMPOUNDS

274336 The oxidation states of $\mathrm{Cr}$, in $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}$, $\left[\mathrm{Cr}\left(\mathrm{C}_{6} \mathrm{H}_{6}\right)_{2}\right]$, and $\mathrm{K}_{2}\left[\mathrm{Cr}(\mathrm{CN})_{2}(\mathrm{O})_{2}\left(\mathrm{O}_{2}\right)\left(\mathrm{NH}_{3}\right)\right]$ respectively are

1 $+3,+4$ and +6
2 $+3,+2$ and +4
3 $+3,0$ and +6
4 $+3,0$ and +4
JEE Main 2018
COORDINATION COMPOUNDS

274338 In the complex, $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right]^{+}$, the oxidation number of $\mathrm{Cr}$ is

1 +4
2 +3
3 +2
4 +6
JIPMER-2018
COORDINATION COMPOUNDS

274341 The correct charge on and co-ordination number of ' $\mathrm{Fe}$ ' in $\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$ is

1 $+2,4$
2 $+3,6$
3 $+2,6$
4 $+3,3$
MHT CET-2017
NEET DIGITAL LIBRARY
COORDINATION COMPOUNDS

274333 The oxidation number of $\mathrm{Mn}$ is maximum in

1 $\mathrm{MnO}_{4}$
2 $\mathrm{K}_{2} \mathrm{MnO}_{4}$
3 $\mathrm{MnO}_{4}$
4 $\mathrm{KMnO}_{4}$
Assam CEE-2020
COORDINATION COMPOUNDS

274336 The oxidation states of $\mathrm{Cr}$, in $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}$, $\left[\mathrm{Cr}\left(\mathrm{C}_{6} \mathrm{H}_{6}\right)_{2}\right]$, and $\mathrm{K}_{2}\left[\mathrm{Cr}(\mathrm{CN})_{2}(\mathrm{O})_{2}\left(\mathrm{O}_{2}\right)\left(\mathrm{NH}_{3}\right)\right]$ respectively are

1 $+3,+4$ and +6
2 $+3,+2$ and +4
3 $+3,0$ and +6
4 $+3,0$ and +4
JEE Main 2018
COORDINATION COMPOUNDS

274338 In the complex, $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right]^{+}$, the oxidation number of $\mathrm{Cr}$ is

1 +4
2 +3
3 +2
4 +6
JIPMER-2018
COORDINATION COMPOUNDS

274341 The correct charge on and co-ordination number of ' $\mathrm{Fe}$ ' in $\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$ is

1 $+2,4$
2 $+3,6$
3 $+2,6$
4 $+3,3$
MHT CET-2017
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COORDINATION COMPOUNDS

274333 The oxidation number of $\mathrm{Mn}$ is maximum in

1 $\mathrm{MnO}_{4}$
2 $\mathrm{K}_{2} \mathrm{MnO}_{4}$
3 $\mathrm{MnO}_{4}$
4 $\mathrm{KMnO}_{4}$
Assam CEE-2020
COORDINATION COMPOUNDS

274336 The oxidation states of $\mathrm{Cr}$, in $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}$, $\left[\mathrm{Cr}\left(\mathrm{C}_{6} \mathrm{H}_{6}\right)_{2}\right]$, and $\mathrm{K}_{2}\left[\mathrm{Cr}(\mathrm{CN})_{2}(\mathrm{O})_{2}\left(\mathrm{O}_{2}\right)\left(\mathrm{NH}_{3}\right)\right]$ respectively are

1 $+3,+4$ and +6
2 $+3,+2$ and +4
3 $+3,0$ and +6
4 $+3,0$ and +4
JEE Main 2018
COORDINATION COMPOUNDS

274338 In the complex, $\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}_{2}\right]^{+}$, the oxidation number of $\mathrm{Cr}$ is

1 +4
2 +3
3 +2
4 +6
JIPMER-2018
COORDINATION COMPOUNDS

274341 The correct charge on and co-ordination number of ' $\mathrm{Fe}$ ' in $\mathrm{K}_{3}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$ is

1 $+2,4$
2 $+3,6$
3 $+2,6$
4 $+3,3$
MHT CET-2017
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