JEE Main Chemistry question

Which of the following properties of lithium does not show diagonal relationship with magnesium? [Indraprastha CET 2009, CG PET 2009]

(A)Formation of ionCorrect
(B)Formation of
(C)Solubility of
(D)Thermal decomposition of

Answer: (A)

Solution

Diagonal relationship is specifically about lithium resembling magnesium in distinctive ways not shared by the rest of group 1 — e.g. forming a nitride on direct combination with (B), existing only in solution as the bicarbonate (C), and decomposing its carbonate on heating (D),

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Question ID VK-137588