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Chemistry - p Block Elements (Group 15, 16, 17 & 18)

Practise 22 KVPY previous year questions on p Block Elements (Group 15, 16, 17 & 18), compiled from papers spanning 2010 to 2018. 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.

  1. 1A filter paper soaked in salt X turns brown when exposed to HNO 3 vapor. The salt X is2018 (SA)
  2. 2The hybridisation of xenon atom in XeF 4 is2018 (SA)
  3. 3The role of haemoglobin is to2018 (SA)
  4. 4Among C , S and P , the element (s) that produce (s) SO 2 on reaction with hot conc. H 2 SO 4 is/are2018 (SB/SX)
  5. 5The oxoacid of phosphorus having the strongest reducing property is2018 (SB/SX)
  6. 6The heating of NH 4 2 Cr 2 O 7 produces another chromium compound along with N 2 gas. The change of the oxidation state of Cr in the reactio2018 (SB/SX)
  7. 7White phosphorous catches fire in air to produce dense white fumes. This is due to the formation of19 Nov, 2017 (SA)
  8. 8The complete hydrolysis of results in the formation of19 Nov, 2017 (SB/SX)
  9. 9Phosphorous reacts with chlorine gas to give a colourless liquid, which fumes in moist air to produce and19 Nov, 2017 (SB/SX)
  10. 10Among the following compounds, the one which does NOT produce nitrogen gas upon heating is05 Nov, 2017 (SB/SX)
  11. 11The molecule which is NOT hydrolysed by water at is05 Nov, 2017 (SB/SX)
  12. 12The major products obtained in the reaction of oxalic acid with conc. upon heating are2016 (SA)
  13. 13When traded with conc. yields gas which further reacts with to generate white solid (Y) reacts with dil. HCl to produce the same gas . the s2016 (SA)
  14. 14The of oxoacids of chlorine in water follows the order2016 (SB/SX)
  15. 15When of xenon (atomic mass ) reacted completely with of fluorine (atomic mass ), a mixture of and was produced. The molar ratio is :2015 (SA)
  16. 16Ammonia is NOT produced in the reaction of2014 (SA)
  17. 17on complete hydrolysis yields ' '. The milecular formula of and its geometry, respectively, are2014 (SB/SX)
  18. 18The numbers of lone pair(s) on in and are, respectively,2013 (SB/SX)
  19. 19When chlorine gas is passed through an aqueous solution of , the solution turns orange brown due to the formation of2011 (SA)
  20. 20The number of bond(s) in and , respectively, is2011 (SA)
  21. 21hydrolyses to give an oxide. The structure of and the oxide, respectively, are-2011 (SB/SX)
  22. 22The correct structure of is-2010 (SB/SX)

Frequently Asked Questions

1.How many questions are available for p Block Elements (Group 15, 16, 17 & 18)?

This chapter includes 22 questions compiled from KVPY papers spanning 2010 to 2018.

2.Are these questions only from KVPY, or from other exams too?

These are KVPY questions specifically for the p Block Elements (Group 15, 16, 17 & 18) chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is p Block Elements (Group 15, 16, 17 & 18) an important chapter for KVPY Chemistry?

p Block Elements (Group 15, 16, 17 & 18) has appeared in 8 of the 11 years of KVPY papers covered here, with 22 questions across 14 papers - about 2 per paper it appears in.