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Chemistry - p Block Elements (Group 13 & 14)

Practise 12 KVPY previous year questions on p Block Elements (Group 13 & 14), compiled from papers spanning 2010 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.

  1. 1Sodium borohydride upon treatment with iodine produces a Lewis acid ( X ) , which on heating with ammonia produces a cyclic compound Y and a2020 (SB/SX)
  2. 2PbO 2 is obtained from2019 (SA)
  3. 3An allotrope of carbon which exhibits only two types of C - C bond distance of 143 . 5 pm and 138 . 3 pm , is2019 (SB/SX)
  4. 4The tendency of X in BX 3 X = F , Cl , OMe , NMe 2 to form a -bond with boron follows the order2018 (SB/SX)
  5. 5When a mixture of diborane and ammonia is heated, the final product is05 Nov, 2017 (SB/SX)
  6. 6reacts with2016 (SA)
  7. 7Hydrolysis of gives which on treatment with sodium carbonate produces and , respectively, are2013 (SB/SX)
  8. 8In the structure of borax, the numbers of boron atoms and B-O-B units, respectively, are2013 (SB/SX)
  9. 9The value of in is2012 (SA)
  10. 10All the products formed in the oxidation of by , are2011 (SB/SX)
  11. 11Diborane is formed the elements as shown in equation (1) ..(1) Given that2010 (SB/SX)
  12. 12Identify the cyclic silicate ion given in the figure below2010 (SB/SX)

Frequently Asked Questions

1.How many questions are available for p Block Elements (Group 13 & 14)?

This chapter includes 12 questions compiled from KVPY papers spanning 2010 to 2020.

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

These are KVPY questions specifically for the p Block Elements (Group 13 & 14) 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 13 & 14) an important chapter for KVPY Chemistry?

p Block Elements (Group 13 & 14) has appeared in 9 of the 11 years of KVPY papers covered here, with 12 questions across 10 papers - about one per paper it appears in.