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GUJCET · Chemistry · Coordination Compounds

Which of the following statements is incorrect ?

  1. A \(K _4\left[ Ni ( CN )_4\right]\) is square planar while \(K _2\left[ Ni ( CN )_4\right]\) is paramagnetic.
  2. B \(K _2\left[ Ni ( CN )_4\right]\) is diamagnetic while \(K _2\left[ NiCl _4\right]\) is paramagnetic.
  3. C \(K _4\left[ Ni ( CN )_4\right]\) and \(K _2\left[ Ni ( CN )_4\right]\) both have same magnetic moment,
  4. D \(K _2\left[ NiCl _4\right]\) and \(K _4\left[ Ni ( CN )_4\right]\) both have same geometrical shapes,
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Correct Answer

(A) \(K _4\left[ Ni ( CN )_4\right]\) is square planar while \(K _2\left[ Ni ( CN )_4\right]\) is paramagnetic.

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Detailed explanation

A