Who discovered that structural chemical atoms are arranged in strict configurations characterized by coordination numbers, founding inorganic stereochemistry? MCQ with Answer and Explanation

Who discovered that structural chemical atoms are arranged in strict configurations characterized by coordination numbers, founding inorganic stereochemistry?
A. Dmitri Mendeleev
B. Linus Pauling
C. Alfred Werner
D. Gilbert Lewis
Answer: Option C
Solution (By JKExamLibrary)
Alfred Werner proposed the coordination theory of complex inorganic compounds, winning the 1913 Nobel Prize in Chemistry.

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Practice More Inventions and Discoveries Questions

Question #1 Report Error
Who discovered that light waves produce alternating dark and bright line bands when passing through two adjacent slits, establishing interference?
A. Augustin Fresnel
B. Thomas Young
C. Christiaan Huygens
D. Isaac Newton

Correct Answer: Option B


Explanation:
Thomas Young conducted his famous Double-Slit Experiment in 1801, providing strong evidence for the wave theory of light.

Question #2 Report Error
Who discovered that biological chromosomes carry the unique hereditary factor tracking layouts, establishing Chromosome Theory?
A. Walter Sutton and Theodor Boveri
B. Thomas Hunt Morgan
C. Gregor Mendel
D. James Watson

Correct Answer: Option A


Explanation:
Sutton and Boveri independently identified in 1902 that chromosome pairing and separation match Mendelian inheritance laws.

Question #3 Report Error
Who discovered that light travels slower in dense mediums like water or glass than in a vacuum, confirming the wave theory?
A. Albert Michelson
B. Isaac Newton
C. Léon Foucault
D. Ole Rømer

Correct Answer: Option C


Explanation:
Léon Foucault measured the speed of light in water using a rotating mirror device, refuting Newton's corpuscular particle model.