d and f Block Elements · Chemistry · VITEEE
MCQ (Single Correct Answer)
1
When $\mathrm{H}_2 \mathrm{O}_2$ is added to a solution of acidified sodium dichromate, a deep blue colour is observed due to the formation of a peroxo complex. This change signifies that
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2
In context of the lanthanoides, which of the following statements is not correct?
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3
Which of the following lanthanides are used in TV screens?
VITEEE 2022