Chemistry - d and f Block Elements
Practise 9 KVPY previous year questions on d and f Block Elements, compiled from papers spanning 2011 to 2020. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KVPY tests.
- 1Treatment of alkaline KMnO 4 solution with KI solution oxidizes iodide to:-2020 (SB/SX)
- 2When a mixture of NaCl , K 2 Cr 2 O 7 and conc. H 2 SO 4 is heated in a dry test tube, a red vapor X is evolved. This vapor X turns an aqueo2020 (SB/SX)
- 3Among Ce 4 f 1 5 d 1 6 s 2 , Nd 4 f 1 6 s 2 , Eu 4 f 7 6 s 2 and Dy 4 f 10 6 s 2 , the elements having highest and lowest 3 rd ionisation en2018 (SB/SX)
- 4The oxidising ability of the given anions follows the order19 Nov, 2017 (SB/SX)
- 5The fusion of chromite ore with in air gives a yellow solution upon addition of water. Subsequent treatment with produces an orange solution19 Nov, 2017 (SB/SX)
- 6Among the following metals, the strongest reducing agent is05 Nov, 2017 (SB/SX)
- 7The most abundant transition metal in human body is2015 (SB/SX)
- 8The gas produced from thermal decomposition of is2011 (SA)
- 9oxidizes (i) oxalate ion in acidic medium at and and (ii) HCl. For balanced chemical equations, the ratios in (i) and in (ii), respectively,2011 (SB/SX)
Frequently Asked Questions
1.How many questions are available for d and f Block Elements?
This chapter includes 9 questions compiled from KVPY papers spanning 2011 to 2020.
2.Are these questions only from KVPY, or from other exams too?
These are KVPY questions specifically for the d and f Block Elements chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is d and f Block Elements an important chapter for KVPY Chemistry?
d and f Block Elements has appeared in 5 of the 11 years of KVPY papers covered here, with 9 questions across 7 papers - about one per paper it appears in.