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Question

The isomer(s) of [Co(NH3)4Cl2]that has/have aCl-Co-Clangle of90°, is/are:<


A

cis only

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B

trans only

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C

meridional and trans

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D

cis and trans

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Solution

The correct option is A

cis only


The appropriate choices are (a)

The Explanation for the correct option:

(a)

  • Explanation: Similar ligands in the cis-isomer are at an angle of there are two possible forms of this compound: cis and trans. the second in the cis isomer each other at an angle. during trans two each other at an angle.
  • Diagram:

The Explanation for the incorrect option:

(b)

  • Explanation: Alkene double bonds and substituents in rings serve as examples of this.
  • Cis and trans alkenes represent the two extremes of the size spectrum.
  • Diagram:

(c)

  • Explanation: Because the similar ligands are on the opposing sides of the metal ion and are in the same plane, trans molecules are also known as meridional and trans-isomers.
  • Diagram:

(d)

  • Explanation: When two atoms are similar a molecule is said to have a "cis" isomer if it is on the same side of a double bond.
  • Contrarily, trans isomers consist of molecules with two similar atoms placed on either side of a double bond.
  • Diagram:

The correct options are (a): Similar ligands in the cis-isomer are at an angle of there are two possible forms of this compound


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