A Solution Containing an Unknown Metal Ion Is Analyzed by Qualitative

question 39

Multiple Choice

A solution containing an unknown metal ion is analyzed by qualitative analysis.Addition of chloride has no effect on the solution.Addition of H₂S at pH 0.5 results in no precipitate.Addition of H₂S at pH 9.0 results in no precipitate.What group(s) of cations may be present?

• A) Group I
• B) Group II
• C) Group III
• D) Group IV
• E) None of the groups

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Definitions:

Cumulative Preferred Shares

A type of preferred stock where dividends accumulate if not paid in a given year and must be paid out before any dividends can go to common stockholders.

Contributed Surplus

The excess amount paid by investors over the par value of shares, recorded in the shareholders' equity section of the balance sheet.

Retained Earnings

The amount of net earnings not distributed to shareholders as dividends but reinvested in the business or kept as reserves.

Accumulated Other Comprehensive Income

A component of shareholders' equity on the balance sheet, representing gains and losses not reflected in net income, such as foreign currency items, unrealized gains/losses on certain investments, and pension plan adjustments.