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AP EAMCET202017 Sep 2020Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

( SF ₆ ) is a kinetically inert substance because

Options

  1. Afluorine is highly electronegative
  2. Bit is sterically protected
  3. Cgreater difference in electronegativities of ( S ) and ( F )
  4. Dlarger size of S-atom

Correct answer

B. it is sterically protected

Step-by-step solution

In ( SF ₆ ), sulphur is (s p^3 d^2 ) hybridised. Both geometry and shape of the molecule is octahedral. ( SF ₆ ) is also a non-polar molecule (dipole moment, ( =0 ) ), because if (a⁻ )and sterically protected perfectly symmetrical molecule. So, ( SF ₆ ) is also kinetically inert.

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