AP EAMCET · Chemistry · s Block Elements
Which of the following statement(s) is (are) correct?
(i) \(\mathrm{LiF}\) is less soluble in water
(ii) \(\mathrm{NaCl}\) is less ionic than \(\mathrm{CsCl}\)
(iii) Formation of alkali metal halide is an endothermic reaction
- A i \& ii only
- B i, ii \& iii
- C ii \& iii only
- D i only
Answer & Solution
Correct Answer
(A) i \& ii only
Step-by-step Solution
Detailed explanation
LiF being predominantly covalent, has a high lattice enthalpy due to which it is less soluble in water. Thus, (i) is correct. \(\mathrm{Na}^{+} < \mathrm{Cs}^{+}\)so the polarizing power of \(\mathrm{Na}^{+}\)is higher than that of \(\mathrm{Cs}^{+}\)which results in…
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