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प्रश्न
Substantiate Lithium fluoride has the lowest solubility among group one metal fluorides.
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उत्तर
Lithium fluoride has high lattice enthalpy due to the small size of Li+ and F–. So, due to the high lattice enthalpy, LiF is less soluble in water.
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संबंधित प्रश्न
Which one of the alkaline earth metal carbonates is thermally the most stable?
Which of the following has the highest hydration energy
Assertion: Generally alkali and alkaline earth metals form superoxides.
Reason: There is a single bond between O and O in superoxides.
In context with beryllium, which one of the following statements is incorrect?
Write a balanced chemical equation for the following chemical reaction.
Rubidium with oxygen gas
Why alkaline earth metals are harder than alkali metals?
Identify the correct formula of halides of alkaline earth metals from the following.
(i) BaCl2.2H2O
(ii) BaCl2.4H2O
(iii) CaCl2.6H2O
(iv) SrCl2.4H2O
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Reason (R): Beryllium carbonate is unstable and decomposes to give beryllium oxide and carbon dioxide.
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Statement I: Colourless cupric metaborate is reduced to cuprous metaborate in a luminous flame.
Statement II: Cuprous metaborate is obtained by heating boric anhydride and copper sulphate in a non-luminous flame.
In the light of the above statements, choose the most appropriate answer from the options given below.
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