Chemistry · 2020
JEE Main · 4 September 2020, Shift 2 · Q35
The incorrect statement(s) among (a) - (c) is (are): (a) W(VI) is more stable than Cr(VI). (b) in the presence of HCl, permanganate titrations…
The incorrect statement(s) among (a) - (c) is (are) :
(a)
W(VI) is more stable than Cr(VI).
(b)
in the presence of HCl , permanganate titrations provide satisfactory results.
(c)
some lanthanoid oxides can be used as phosphors.
Official answer
(2)
(b) only
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.