When Ni(NH₃)₆Cl₂ Dissolves in Water, Which of the Following Species

question 107

Multiple Choice

When Ni(NH₃) ₆Cl₂ dissolves in water, which of the following species form the inner coordination sphere around the Ni²⁺ ions?

• A) Other Ni²⁺ ions
• B) Cl^- ions
• C) H₂O molecules with O closest to the Ni²⁺ ions
• D) H₂O molecules with H closest to the Ni²⁺ ions
• E) NH₃

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Definitions:

DDT

Dichloro-Diphenyl-Trichloroethane, a synthetic insecticide used historically for malaria and pest control, now banned in many countries due to environmental impact.

Nitrogen Cycle

A biogeochemical cycle that describes the transformations of nitrogen and nitrogen-containing compounds in nature.

Nitrogen Fixation

The process by which nitrogen gas from the atmosphere is converted into ammonia by certain bacteria, making nitrogen available to living organisms.

Denitrification

A microbial process occurring mostly in soil and aquatic environments, where nitrate is reduced and ultimately produces molecular nitrogen, removing it from the ecosystem.