Free Electronic Structure of d-Block Elements MCQs with Answers
21 Electronic Structure of d-Block Elements MCQs from Chemistry, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
21 questions · page 3 of 3
21. Which one of the following is a coinage metal
- A. Pd
- B. Cu
- C. Cd
- D. Hg
Explanation: Copper, silver and gold form group IB and are called the coinage metals because their unreactivity and durability made them the traditional choice for currency. Palladium is a platinum group metal, and cadmium and mercury sit in group IIB with completely filled d subshells. All four are d block elements, which is what makes the distractors plausible.
Correct answer: Cu