MEDIUM
Chemistry
IMPORTANT
Earn 100

In the reaction betweenand acidified potassium dichromate solution, the elements showing a change in oxidation state are
(a).
(b).
(c).
(d).

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Important Questions on The d- and f-Block Elements
EASY
Chemistry
IMPORTANT

MEDIUM
Chemistry
IMPORTANT
when fused with and oxidised in air gives a dark green compound In acidic solution, undergoes disproportion to give an intense purple compound and The compounds and respectively, are:

MEDIUM
Chemistry
IMPORTANT

MEDIUM
Chemistry
IMPORTANT

MEDIUM
Chemistry
IMPORTANT

EASY
Chemistry
IMPORTANT

EASY
Chemistry
IMPORTANT

EASY
Chemistry
IMPORTANT
