NEET Chemistry The p-Block Elements (XII) Questions Solved


The incorrect order is:

(a) N>P>As : Strength of πbond with oxygen atom

(b) SiF4>SiCl4>SiBr4>Sil4 : Thermal stability

(c) H2S>H2Se>H2Te : Arrhenious acid character

(d) CaBr2>MgBr2>BeBr2 : Melting point

(c)     Correct order of Arrhenious acid character

          H2S<H2Se<H2Te

          the value of Ka is maximum for H2Te, due to least bond energy among 

           given hydrides.

Difficulty Level:

  • 11%
  • 16%
  • 61%
  • 14%
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