Which statement(s) is/are correct regarding alkali metals

1.	Which statement(s) is/are correct regarding alkali metals
Answer» THERMAL stability of METAL nitrate increases on moving upward the group. Water solubility of metal carbinate increases on moving down the group All metal bicarbonate salts exist in solution from except `NaHCO_(3)` B.P. and M.P. decreases down the group Solution :Thermal stability of Nitrates of alkali metals `LiNO_(3) lt NaNO_(3) lt KNO_(3) lt RbNO_(3) lt CsNO_(3)` Metal carbonate solubility `Li_(2)CO_(3) lt Na_(2)CO_(34) lt K_(2)CO_(34) lt Rb_(2)CO_(3) lt Cs_(2)CO_(3)` Only `NaHCO_(3)` is insoluble in water due to association of `HCO_(3)^(-)` by intermolecular H-bonding

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