Shubham Kumar posted an Question
September 23, 2022 • 22:58 pm 30 points
  • CSIR NET
  • Chemical Sciences

Arrangt mel4ins p nts tlor di ng page o.- daie: rbk le naf cf tif rba explaiha uhy 2

Arrangt Mel4ins p nts tlor di ng Page o.- Daie: Rbk LE Naf cf tif RbA Explaiha uhy 2

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    Shabir ahmad bhat best-answer

    NaF>KF>LiF>RbF>CsF As we move down the group, size of metal ion increases and thereby lattice energy decreases. Hence melting point decreases down the group. the lower melting point of Lithium flouride than sodium and potassium florides is due to covalent character in LiF as per Fajans Rule due to smaller size of Li ion

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