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प्रश्न
Arrange the following in the decreasing order of their covalent character.
(A) LiCl
(B) NaCl
(C) KCl
(D) CsCl
Choose the most appropriate answer from the options given below:
पर्याय
(A) > (C) > (B) > (D)
(B) > (A) > (C) > (D)
(A) > (B) > (C) > (D)
(A) > (B) > (D) > (C)
MCQ
उत्तर
(A) > (B) > (C) > (D)
Explanation:
The polarising power of the ion determines its covalent nature. The polarising power of a cation decreases as its size increases. As a result, the compound's covalent character falls. So, for alkali metal chloride (Cl) compounds, the decreasing order of covalent character is LiCl > NaCl > KCl > CsCl.
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