3 JEE Main 2017 d and f Block Elements previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2017 previous-year questions from the d and f Block Elements chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the d and f Block Elements chapter hub.
A solution containing a period - IV cation gives a precipitate on passing H 2 S . A solution of this precipitate in dil…
The sodium salt of an organic acid X produces effervescence with concentrated H 2 SO 4 . X reacts with the acidified aq…
In the following reactions, ZnO is respectively acting as a/an, (i) ZnO + Na 2 O → Na 2 ZnO 2 (ii) ZnO + CO 2 …