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Coordination Co...

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  • Question 1
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    Directions: The following question has four choices, out of which only one is correct.

    Wilkinson's catalyst is a chemical used for the hydrogenation of alkenes. Other applications of the Wilkinson's catalyst include the catalytic hydroboration of alkenes with catecholborane and pinacolborane and the selective 1,4-reduction of ,-unsaturated carbonyl compounds along with triethylsilane.

    The catalyst discussed here can be referred to as a

  • Question 2
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    The type of hybridisation possible with a coordination number of 6 can be

  • Question 3
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    The number of chloride ions produced by complex tetraminedichloroplatinum(IV) chloride in an aqueous solution is

  • Question 4
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    What is the coordination number of chromium in [Cr(NH​​​​​3)2(H2O​​​​2)2]Cl​​​​​3?

  • Question 5
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    Which of the following orders of ligands in spectrochemical series is correct?

  • Question 6
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    The coordination number of the central ion may be obtained from

  • Question 7
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    Primary and secondary valencies of [Cr(NH3)5Cl]SO4 respectively are

  • Question 8
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    According to Werner's theory of complexes, primary valencies are

  • Question 9
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    The colour of [Ti(H2O)6]3+ ion is due to

  • Question 10
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    Which of the following complexes is diamagnetic in nature?

  • Question 11
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    Which of the following compounds is not coloured?

  • Question 12
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    Which of the following statements is correct?

  • Question 13
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    Which of the following is a chelating ligand?

  • Question 14
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    In [Fe(F6)]-4 ion, which of the following statements is incorrect?

  • Question 15
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    Select the correct statement about the given square planar complex shown below:

  • Question 16
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    The number of unpaired electrons associated with Cr in the complex [Cr(CN)6]4– is

  • Question 17
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    The correct order for the wavelengths of absorption of the complexes of nickel in the visible region is

  • Question 18
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    The hypothetical complex chlorodiaquatriamminecobalt (III) chloride can be represented as

  • Question 19
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    The theory which uses the concept of hybridised orbitals to explain the nature of bonding in coordintion compounds is:

  • Question 20
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    What is the EAN of nickel in Ni(CO)4?

  • Question 21
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    The oxidation state of Ag in tollen’s reagent is

  • Question 22
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    Directions: Match the statements/expressions in Column – I with the statements/expressions in Column – II and indicate your answer by selecting the appropriate option. Any statement in Column – I can correctly match with one or more statement(s) in Column – II.

    Column – I Column – II
    (A) [Co(NH3)4 (H2O)2]Cl2
    (B) [Pt(NH3)2Cl2]
    (C) [Co(H2O)5Cl]Cl
    (D) [Ni(H2O)6]Cl2    		 (p) Geometrical isomers
    (q) Paramagnetic
    (r) Diamagnetic
    (s) Metal ion with + 2 oxidation state

  • Question 23
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    The number of unpaired electrons associated with Ni in the complex [Ni(NH3)6]2+ is

  • Question 24
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    Oxidation state of the central metal ion in [Pt(NH3)2(NO3)2]SO4 is

  • Question 25
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    Which of the following compounds is not an example of the main group organo-metallics?

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