JEE Main Chemistry question
Not in JEE Main or NEET syllabus
Pick out the statement (s) which is (are) not true about the diagonal relationship of Li and Mg. (i) Polarising powers of and are almost same. (ii) Unlike Li, Mg decomposes water very slowly. (iii) and are deliquescent. (iv) Like Li, Mg does not form solid bicarbonates.
Answer: (C)
Solution
Lithium and magnesium show a diagonal relationship: (i) their polarising powers ( and ) are almost identical (true), (iii) both and are deliquescent (true), and (iv) like Li, Mg does not form a stable solid bicarbonate (true, both exist only in solution).
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