According to Werner's theory, choose the true set(s) of matches:
(I) Primary valence → ionisable; equals oxidation state of central metal ion.
(II) Secondary valence → non-ionisable; equals coordination number.
(III) Secondary valence → always variable for a given metal in a given complex.
Text Solution
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(I) True - primary valence is ionisable and equals the oxidation state.
(II) True - secondary valence is non-ionisable and equals the coordination number (fixed for a given complex).
(III) False - secondary valence is not always fixed, may or may not variable, for a metal in a given complex.
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