The neutral complex which follows the 18-electron rule is
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Engineering Chemistry · all questionsTransition Elements
Transition Elements
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Among the following pair of metal ions present in nature, the first one functions as an electron transfer agent and the second one catalyzes the hydrolysis reactions. The correct pair is
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John-Teller distortion of CuSO4 · 5H2O acts to
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The octahedral complex/complex ion which shows both facial and meridional isomers is
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Arrange the following metal complexes in order of their increasing hydration energy
| [Mn(H2O)6]2+ | [V(H2O)6]2+ | [Ni(H2O)6]2+ | [Ti(H2O)6]2+ |
| P | Q | R | S |
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The values of M-C stretching frequencies of (i) [V(CO)6]-; (ii) [Cr(CO)6] and (iii) [Mn(CO)6]+ follow the trend
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The complexes [Co(NH3)4(H2O)Cl]Br2 and [Co(NH3)4Br2]Cl · H2O are
examples of
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The magnetic moment of [Ru(H2O)6]2+ corresponds to the presence of
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The compound which has four metal-metal blonds is
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The increasing order of wavelength of absorption for the complex ions
i. [Cr(NH3)6]3+
ii. [CrCl6]3-
iii. [Cr(OH2)6]3+
iv. [Cr(CN)6]3-
is
i. [Cr(NH3)6]3+
ii. [CrCl6]3-
iii. [Cr(OH2)6]3+
iv. [Cr(CN)6]3-
is
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The absorption of [Co(NH3)6]2+ is
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The most suitable route to prepare the trans isomer of [PtCl2(NH3)(PPh3)] is
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The catalyst used in the conversion of ethylene to acetaldehyde using Wacker process is
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The number of unpaired electron (s) present in the species [Fe(H2O)5(NO)]2+ which is formed during brown ring test is
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Iron-sulphur clusters in biological systems are involved in
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In the reaction shown below, X and Y respectively are
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The d-d absorption band of [Fe(H2O)6]2+ is split due to
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Metal-metal quadruple bonds are well known for the metal
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The structures of the complexes [Cu(NH3)4] (ClO4)2 and [Cu(NH3)4] (ClO4) in the solution respectively are
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The crystal field stabilization energy (CFSE) value for [Ti(H2O)6]3+ that has an absorption maximum at 492 nm is
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