ishmael7026 ishmael7026

07-02-2024
Chemistry

contestada

Which statement among the following are correct ?
I. Ce³⁺ is an oxidizing agent & colourless.
II. Lu³⁺ is colourless.
III. Actinoids exhibit a higher number of oxidation states than lanthanoid
IV. All 3d elements give H₂ with 1 M HCl
A. II, III
B. I, III
C. I, II, III
D. I,IV

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