JEE Main On 16 April 2018 Question 12

Question: Which of the following complexes will show geometrical isomerism?

Options:

A) potassium amminetrichloroplatinate (II)

B) potassium tris(oxalato) chormate (III)

C) aquachlorobis (ethylenediamine) cobalt (II) chloride

D) pentaquachlorochromium (III) chloride

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Answer:

Correct Answer: C

Solution:

  • Aquachlorobis (ethylenediamine) cobalt (II) chloride will show geometrical (cis-trans) isomerism. In cis isomer, two ethylene diamine ligands are adjacent and in trans isomer, they are opposite to each other. Aquachlorobis (ethylenediamine) cbalt (II) chloride