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The incorrect statement(s) among (a) - (...

The incorrect statement(s) among (a) - (c ) is (are):
(a) W(VI) is more stable than Cr(IV).
(b) in the presence of HCl, permanganate titrations provide satisfactory results.
(c )some lanthanoid oxides can be used as phosphors.

A

(a) only

B

(b) and (c ) only

C

(b) only

D

(a) and (b) only

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JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS 2020-CHEMSITRY
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