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P - Block Elements Test - 37

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P - Block Elements Test - 37
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  • Question 1
    4 / -1
    Which of the following halides is least stable and has doubtful existence?
    Solution

  • Question 2
    4 / -1
    In laboratory, silicon can be prepared by the reaction of
    Solution

  • Question 3
    4 / -1
    Ge (II) compounds are powerful reducing agnets whereas Pb (IV) compounds are strong oxidants It can be due to
  • Question 4
    4 / -1
    Quartz is a crystalline variety of
  • Question 5
    4 / -1
    An oxide of lead which is used in lead storage batteries, in safety matches and is a powerful oxidising agent is
  • Question 6
    4 / -1
    Which of the following sulphate is insoluble in water?
  • Question 7
    4 / -1
    The catenation tendency of C, Si and Ge is in the order Ge < Si < C. The bond energies (in kJ mol-1) of C – C, Si – Si and Ge – Ge bonds respectively are
  • Question 8
    4 / -1
    Which of the following is most stable ?
  • Question 9
    4 / -1
    Which among CH4, SiH4 GeH4 and SnH4 is most volatile?
  • Question 10
    4 / -1
    Which of the following reactions occurs at the cathode during the charging of a lead storage battery?
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