JEE Main 2020 (Online) 5th September Morning Slot | d and f Block Elements Question 135 | Chemistry

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.

(a) and (b) only

(a) only

(b) only

(b) and (c) only

JEE Main 2020 (Online) 4th September Morning Slot

MCQ (Single Correct Answer)

-1

The elements with atomic numbers 101 and 104 belong to, respectively :

Group 6 and Actinoids

Actinoids and Group 4

Group 11 and Group 4

Actinoids and Group 6

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