Square planar complex of the type MAXBL (where A, B,X and L)

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 Multiple Choice QuestionsMultiple Choice Questions

141.

The secondary valency of platinum in tetra amminedichloroplatinum (IV) chloride is

  • +2

  • 3

  • 6

  • +4


142.

In which one of the pairs of ion given, there is an ion that forms a coordination compound with both aqueous sodium hydroxide and ammonia and an other ion that forms a coordination compound only with aqueous sodium hydroxide?

  • Pb2+, Cu2+

  • Zn2+, Al3+

  • Cu2+, Zn2+

  • Al3+, Cu2+


143.

The IUPAC name of the complex ion formed when gold dissolves in aqua-regia is

  • tetrachloridoaurate (III)

  • tetrachloridoaurate (I)

  • tetrachloridoaurate (II)

  • dichloridoaurate (III)


144.

Which of the following will be able to show geometrical isomerism?

  • MA3B - Square planar

  • MA2B2 - tetrahedral

  • MABCD- saquare planar

  • MABCD- tetrahedral


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145.

The complex formed when Al2O3 is leached from bauxite using conc. NaOH solution is,

  • Na[Al(OH)4]

  • NaAl2O4

  • Na[Al(OH)3]

  • Na2AlO2


146.

The number of isomers possible for the octahedral complex [CoCl2(en)(NH3)2]+ is

  • two

  • three

  • no isomer

  • four isomers


147.

The complex ion having minimum magnitude of Δ° (CFSE) is

  • [Cr(CN)6]3-

  • [Co(CN3)6]3+

  • [Co(Cl)6]3+

  • [Cr(H2O)6]3+


148.

As per IUPAC norms, the name of the complex [Co(en)2(ONO)Cl]Cl is

  • chlorido bis (ethane-1, 2-diamine) nitro-O-cobalt (III) chloride

  • chlorido bis (ethylenediamine) nitro-O-cobalt (III) chloride

  • chlorido di (ethylenediamine) nitrocobalt (III) chloride

  • chloro ethylenediaminenitr-O-cobalt (III) chloride


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149.

Square planar complex of the type MAXBL (where A, B,X and L) are unidenate ligands) shows following set of isomers.

  • two cis and one trans

  • two trans and one cis

  • two cis and two trans

  • three cis and one trans


A.

two cis and one trans

Square planar complex of the type MAxBxL shows two cis and one trans isomers.


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150.

The formula of potash alum is :

  • K2SO4.Al2(SO4)3.24H2O

  • K2SO4.Al2(SO4)3.18H2O

  • K2SO4.(NH4)2SO4.18H2O

  • Na2SO4.Al2(SO4)3.24H2O


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