In the Qualitative Analysis Scheme for Metal Ions,how Are the Analytical

question 76

Multiple Choice

In the qualitative analysis scheme for metal ions,how are the Analytical Group III cations separated from the cations of Analytical Groups IV and V?

• A)by addition of HCl,forming insoluble metal chlorides
• B)by addition of H₂SO₄,forming insoluble metal sulfates
• C)by addition of H₂S in acidic solution,forming insoluble metal sulfides
• D)by addition of H₂S in basic solution,forming insoluble metal sulfides or hydroxides
• E)by addition of (NH₄)₂CO₃ or (NH₄)₃PO₄,forming insoluble metal carbonates or phosphates

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Definitions:

Frontal Lobe

The part of the brain located at the front of each cerebral hemisphere, responsible for higher cognitive functions like decision making, problem solving, and controlling behavior.

Organizing

The act or process of arranging, structuring, or coordinating elements in a systematic way to achieve a specific goal or order.

Formulating Plans

The process of creating strategies or outlining steps to achieve a specific goal, often involving problem-solving and decision-making skills.

Thalamus

A small structure within the brain that relays motor and sensory signals to the cerebral cortex.