what are the important points dat i should study from p block

Asked by  | 10th Feb, 2014, 09:21: PM

Expert Answer:

Entire syllabus is important in p-block elements. Please go through the NCERT questions, live test series, model tests, and chapter tests to make the concepts more understandable.

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Go through the properties of p block elements and do comparative study. Properties are mostly asked.

p-Block Elements

Structures of Oxoacids: phosphorus (2007), sulphur (2007),

Structures of Fluoride: sulphur (2008), xenon (2008, 2009), bromine (2009)

Interhalogen compounds (2007)

Basicity of group 15 elements (2008, 2009)

Most important topics/questions

  1. Structures of PCl5, H2SO3, H2SO4, H2S2O8, H2S2O7, HOCl, HClO2, HClO3, HClO4
  2. Complete the reactions:
  3. Conceptual questions:
  • NF3 is an exothermic compound whereas NCl3 is not.
  • NH3 is a stronger base than PH3. Why?
  • Arrange the following in order of the indicated property:
    • F2, Cl2, Br2, I2 in increasing order of bond dissociation enthalpy
    • HF, HCl, HBr, HI in increasing order of acidic strength
    • NH3, PH3, AsH3, SbH3, BiH3 in increasing order of basic strength
  • What are interhalogen compounds?

Answered by  | 11th Feb, 2014, 09:39: AM

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