Meghna Asked a Question
July 18, 2020 12:53 pmpts 30 pts
32. Which substance would you expect to have the greatest lattice energy? A) AgCl B) CrN C) NaF D) CuO 33. Which one of the following bonds is most polar ? A) S-CI B) S-Br C) Se-Br D) Se-Cl 34. What is Wijs reagent ? A) ICI B) ICl C)BrCl D) I3
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  • Suman Kumar thankyou
    Q 33 The lattice energy is defined as the energy needed to break the ionic bonding within the crystal lattice. Generally, lattice energy increases as the charge of the ions increas...
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  • Dinesh khalmaniya
    33). B more the difference in EN more ia the polarity. left to right EN increase while down the group decrease. so S is more EN while Br is less EN so the difference will be high
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    Dinesh khalmaniya
    got it??
  • Suman Kumar
    Most polar bond is S-Cl.
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    Suman Kumar
    More the eletronegativity difference more polar will be the bond
  • Priyanshu kumar
    34.. wijs reagent is iodine monochloride ICL 33. option D
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    Priyanshu kumar
    33. More electronegative difference more polar
  • Dinesh khalmaniya
    34) option A.
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    Dinesh khalmaniya
    The Wijs solution, iodine monochloride dissolved in acetic acid, is used to determine the iodine value of a substance. It can also be used to make pure iodates, by reacting with a ...
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  • Dinesh khalmaniya
    32) B. lattice energy directly proportional to charge and inversely proportional to size
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    Dinesh khalmaniya
    here in CrN, Cr is in +3 oxidation state