For the complex ion [Cu(NH3)6]2+, the coordination geometry will be
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Engineering Chemistry · all questionsTransition Elements
Transition Elements
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In biological systems, the metal ions involved in electron transport are
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The chromium (III) species formed soon after electron transfer between and is
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Structurally nickelocene is similar to ferrocene. Nickelocene attains stability due to the formation of
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The complexes V(C6H6)2 and Cr(C6H6)2 are both readily oxidized in air to their respective cations. The number of unpaired electrons, respectively in each are
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Zeise's salt is represented as
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In the isoelectronic series, V, Cr and Mn, all members have intense charge transfer (CT) transitions. The incorrect statement is
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The complex which obeys the 18-electron rule is
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In photosynthesis, the predominant metal present in the reaction centre of photosystem II is
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Consider the reactions:
1. [Cr(H2O)6]2+ + [CoCl(NH3)5]2+ → [Co(NH3)5(H2O)]2+ + [CrCl(H2O)5]2+
2. [Fe(CN)6]4- + [Mo(CN)8]3- → [Fe(CN)6]3- + [Mo(CN)8]4-
Which one of the following is the correct statement?
1. [Cr(H2O)6]2+ + [CoCl(NH3)5]2+ → [Co(NH3)5(H2O)]2+ + [CrCl(H2O)5]2+
2. [Fe(CN)6]4- + [Mo(CN)8]3- → [Fe(CN)6]3- + [Mo(CN)8]4-
Which one of the following is the correct statement?
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The existence of two different coloured complexes of Co(NH3)4Cl2 is due to
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The lanthanide complex (where, acac = acetylacetonate; phen 1, 10-phenanthroline) that do not have square anti prismatic structure is
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The complex with spin-only magnetic moment of ∼ 4.9 BM is
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In the trigonal bipyramidal crystal field, the d orbital with the highest energy is
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The product of the reaction between CH3Mn(CO)5 and 13CO is
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The spectroscopic ground state symbol and the total number of electronic transitions of [Ti(H2O)6]2+ are
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The metals involved in nitrogenase are
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Ligand field stabilization energies are smaller for lanthanides compared to transition metals in the same oxidation state because
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The crystal-field symbol for the ground state of [Mn(CN)6]4- is
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The number of metal-metal bonds present in Ir4(CO)12 are
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