6 JEE Main 2013 d and f Block Elements previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2013 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.
The element with which of the following outer electron configuration may exhibit the largest number of oxidation states…
Which of the following arrangements does not represent the correct order of the property stated against it?
Given E Cr 3 + / Cr o = - 0 . 74  V;  E MnO 4 - / Mn 2 + o = 1 . 51 V E Cr 2 O 7 2 - / Cr 3 + o = 1 . 33…
Identify incorrect statement :
When a small amount of KMnO₄ is added to concentrated H₂ SO₄, a green oily compound is obtained which is highly explosi…
Potassium dichromate when heated with concentrated sulphuric acid and a soluble chloride, gives brown-red vapours of :