Two Well-Known Complex Ions Containing Ni Are [Ni(H₂O)₆]²⁺, Which Is

question 28

Multiple Choice

Two well-known complex ions containing Ni are [Ni(H₂O) ₆]²⁺, which is green, and [Ni(en) ₃]²⁺, which is purple. Which one of these statements is true?

• A) The crystal field splitting energy (Δ) is greater for [Ni(en)₃]²⁺ than for [Ni(H₂O)₆]²⁺.
• B) [Ni(en)₃]²⁺ absorbs energy in the red region of the spectrum.
• C) Both complex ions are diamagnetic.
• D) [Ni(H₂O)₆]²⁺ transmits light with wavelengths of approximately 650-700 nm.
• E) The green complex absorbs green light.

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Definitions:

Absorption Costing

A method of product costing that includes all manufacturing costs, both variable and fixed, in the cost of a product.

Direct Labor Cost

The wages and related benefits paid to workers who are directly involved in the production of goods or services.

Reconciliation

The process of ensuring that two sets of records (usually the balances of two accounts) are in agreement.

Break-Even

The point at which total costs equal total revenues, meaning a business is not making a profit but is not losing money either.