Question
Complete the following reaction equations:
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ii. Eº value of Mn is more negative as expected from the trend.
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→| Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn |
| -1.63 | -1.18 | -0.90 | -1.18 | -0.44 | -0.28 | -0.25 | +0.34 | -0.76 |
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iii. Cr3+ is a stronger reducing agent than Fe2+.
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(a) $\left[ Co \left( NH _3\right)_6\right] Cl _3$
(b) $\left[ Co \left( NH _3\right)_4\right] Cl$
(c) $\left[ Ni \left( NH _3\right)_6\right] Cl _2$
(d) $\left[ PtCl \left( NH _3\right)_2\left( NH _2 CH _3\right)\right] Cl$
(e) $\left[ Mn \left( H _2 O \right)_6\right]^{2+}$
(f) $\left[ Co ( en ){ }_3\right]^{3+}$
(g) $\left[ Ti \left( H _2 O \right)_6\right]^{3+}$
(h) $\left[ Ni ( Cl )_4\right]^{2-}$
(i) $\left[ Ni ( CO )_4\right]$
→(a) $\left[ Co \left( NH _3\right)_6\right] Cl _3$
(b) $\left[ Co \left( NH _3\right)_4\right] Cl$
(c) $\left[ Ni \left( NH _3\right)_6\right] Cl _2$
(d) $\left[ PtCl \left( NH _3\right)_2\left( NH _2 CH _3\right)\right] Cl$
(e) $\left[ Mn \left( H _2 O \right)_6\right]^{2+}$
(f) $\left[ Co ( en ){ }_3\right]^{3+}$
(g) $\left[ Ti \left( H _2 O \right)_6\right]^{3+}$
(h) $\left[ Ni ( Cl )_4\right]^{2-}$
(i) $\left[ Ni ( CO )_4\right]$
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