New chat PYQ Library Doubts Rank report

Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →

D and F Block Elements · 2021 · 1 Sep · Shift 2

2 Chemistry questions from this JEE Main paper

Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.

PYQ Library
JEE Main
Papers
2021 · 1 Sep · Shift 2
Chemistry
D and F Block Elements

D and F Block Elements · 2021 · 1 Sep · Shift 2

2 Chemistry questions from this JEE Main paper

Q7.In the given chemical reaction, colors of the $F e^{2 +}$ and $F e^{3 +}$ ions, are respectively : 5 $F e^{2 +}$ + MnO $_{4}^{-}$ + 8H+ $\to$ $M n^{2 +}$ + 4 $H_{2} O$ + 5 $F e^{3 +}$
Chemistry · D and F Block Elements · MCQ
Q14.Identify the element for which electronic configuration in +3 oxidation state is [Ar] $3 d_{5}$ :
Chemistry · D and F Block Elements · MCQ