Below Is a List of Complex Ions and Their Structures

question 16

Multiple Choice

Below is a list of complex ions and their structures.Which of the following pairs is incorrectly matched? Complex Ion Structure

• A) [CoCl₆]³⁻ Trigonal bipyramidal
• B) [Cd(NH₃)₄]²⁺ Tetrahedral
• C) [NiCl₄]²⁻ Tetrahedral
• D) [Au(CN)₂]− Linear
• E) [Co(CN)₆]³⁻ Octahedral

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Definitions:

Spleen

An organ located under the ribcage in the upper left part of the abdomen, involved in filtering blood, recycling red blood cells, and immune response.

Palatine Tonsils

A pair of soft tissue masses located at the rear of the throat, which are part of the immune system and help to defend the body from infection.

Thymus Gland

An organ in the upper chest that develops T-cells for the immune system; it gradually shrinks after puberty.

Cervical Region

The section of the spine located in the neck, consisting of the first seven vertebrae.