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Published on: 13/05/2022
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Questions + Answers key
Take MCQ Chemistry Test1.
Choose the correct statement.
Square planar complexes are more stable than octahedral complexes
The spin only magnetic moment of [Cu(Cl)4]2- is BM and it has square planar structure.
Crystal field splitting energy \(\left( { \Delta }_{ 0 } \right) \) [FeF6]4- is higher than the \((\Delta _{ 0 })\) of [Fe(CN)6]4-
crystal field stabilization energy of [V(H2O)6]2+ is higher than the crystal field stabilization of [Ti(H2O)6]2+
2.
Fac-mer isomerism is shown by _______.
[CO(en)3]3+
[Co(NH3)4(Cl)2]+
[Co(NH3)3(Cl)3]
[Co(NH3)5Cl]SO4
3.
Which of the following is paramagnetic in nature?
[Zn(NH3)4]2+
[Co(NH3)6]3+
[Ni(H2O)6]2+
[Ni(CN)4]2-
4.
Formula of tris(ethane-1, 2-diamine)iron(II)phosphate _______.
[Fe(CH3-CH(NH2)2)3](PO4)3
[Fe(H2N-CH2-CH2-NH2)3](PO4)
[Fe(H2N-CH2-CH2-NH2)3](PO4)2
[Fe(H2N-CH2-CH2-NH2)3]3(PO4)2
5.
A complex in which the oxidation number of the metal is zero is_______.
K4[Fe(CN)6]
[Fe(CN)3(NH3)3]
[Fe(CO)5]
both (b) and (c)
1.
(d)
crystal field stabilization energy of [V(H2O)6]2+ is higher than the crystal field stabilization of [Ti(H2O)6]2+
2.
(c)
[Co(NH3)3(Cl)3]
3.
a) Zn2+ (d10 ⇒ diamagnetic)
b) Co3+ (d6 Low spain ⇒ t2g6 e0g ; diamagnetic)
c) Ni2+ (d8 Low spain ⇒ t2g6 e2g ; paramagnetic)
d) [Ni(CN)4]2+ (dsp2 ; square planar, diamagnetic)
4.
[Fe(H2N-CH2-CH2-NH2)3]3(PO4)2
[Fe(en)3]2+(\(PO_{4}^{3-}\))
5.
a) Fe2+ b) Fe3+ c) Fe0
12th Standard Syllabus & Materials
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