MHT CET Chemistry question

Which of the following statements is INCORRECT about Werner's theory?

(A)Primary valence is the same thing as oxidation state
(B)Secondary valence is the same thing as coordination number
(C)Primary valence are satisfied by neutral moleculesCorrect
(D)Secondary valences are directional whereas primary valences are non-directional

Answer: (C)

Solution

Primary valence (oxidation state) is satisfied only by negative ions, while secondary valence (coordination number) is satisfied by neutral

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Question ID VK-073133