Explain the following trends in lattice energy. (Select all that apply.) (a) NaC

Question

Explain the following trends in lattice energy. (Select all that apply.)

(a) NaCl > RbBr > CsBr
CsBr is smaller than RbBr and NaCl. The Na cation is larger than the Cs cation. NaCl is smaller than RbBr and CsBr. The ions in CsBr and RbBr are +2 and ?2; whereas in NaCl they are +1 and ?1. The Cs cation is larger than the Rb cation. The ions in CsBr and NaCl are +2 and ?2; whereas in RbBr they are +1 and ?1. Incorrect: Your answer is incorrect.

(b) BaO > KF
The ions in KF are +2 and ?2; whereas in BaO they are +1 and ?1. The atomic radii of Ba and O are smaller than those of K and F. Fluorine is more electronegative than oxygen. The ions in BaO are +2 and ?2; whereas in KF they are +1 and ?1. The atomic radii of K and F are smaller than those of Ba and O.

(c) SrO > SrCl2
The oxide ion has a ?1 charge; whereas the chloride ion is ?2. The oxide ion is smaller than the chloride ion. The oxide ion has a ?2 charge; whereas the chloride ion is ?1. The oxide ion is bigger than the chloride ion. The oxide ion is more electronegative than the chloride ion.

Explanation / Answer

a) No, Yes, Yes, No, No, No

b) No, No, Yes, Yes, Yes

c) No, Yes, No, No, No

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