The IUPAC name for the complex [Co(NO2)(NH3)5]Cl2 is from Chemi

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Which one of the following conformation of cyclohexane is chiral?

  • Twist boat

  • Rigid

  • chair

  • chair

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32.

Which of the following species exhibits the diamagnetic behaviour?

  • O22–

  • O2+

  • O2

  • O2

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33.

The IUPAC name for the complex [Co(NO2)(NH3)5]Cl2 is

  • nitrito-N-pentaamminecobalt (III) chloride

  • nitrito-N-pentaamminecobalt (II) chloride

  • pentaammine nitrito-N-cobalt (II) chloride

  • pentaammine nitrito-N-cobalt (II) chloride


D.

pentaammine nitrito-N-cobalt (II) chloride

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34.

Increasing order of stability among the three main conformations (i.e. Eclipse, Anti, Gauche) of 2-fluoroethanol is

  • Eclipse, Gauche, Anti

  • Gauche, Eclipse, Anti

  • Eclipse, Anti, Gauche

  • Eclipse, Anti, Gauche

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35.

How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion?

  • 6

  • 3

  • 1

  • 1

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36.

The oxidation state of Cr in [Cr(NH3)4Cl2]+ is

  • +3

  • +1

  • 0

  • 0

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37.

The IUPAC name of the coordination compound K3[Fe(CN)6] is

  • Potassium hexacyanoferrate (II)

  • Potassium hexacyanoferrate (III)

  • Potassium hexacyanoiron (II)

  • Potassium hexacyanoiron (II)

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38.

Which of the following compounds shows optical isomerism?

  • [Cu(NH3)4]+2

  • [ZnCl4]-2

  • [Cr(C2O4)3]-3

  • [Cr(C2O4)3]-3

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39.

Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?

  • [Cr(CN)6]-3

  • [Mn(CN)6]-3

  • [Fe(CN)6]-3

  • [Fe(CN)6]-3

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40.

Which types of isomerism is shown by 2,3-dichlorobutane?

  • Diastereo

  • Optical

  • Geometric

  • Geometric

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