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P Block Elements question

2018 · Q112
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P Block Elements question

2018 · Q112

NEETChemistryP Block ElementsMCQ+4 / −1
Which one of the following elements is unable to form MF63– ion?
  1. A
    Ga
  2. B
    Al
  3. C
    B
  4. D
    In
View written solutionFree

Correct answer: C

Boron does not have vacant d-orbitals in its valence shell, so it cannot extend its covalency beyond 4. i.e., ‘B’ cannot form the ions like MF63–.

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