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Which of the following statements are correct?

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Alkali metals are strong reducing agents.

LiF has high solubility than CsI because of high hydration enthalpy of lithium ion.

$L i_{2} C O_{3}$ decomposes at a lower temperature than the other alkali metal carbonates.

All of the above

answer is A, B, C.

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Detailed Solution

Alkali metals have great tendency to lose electrons, they are quite reactive and and known to be strong reducing agent.

Low solubility of LiF and that of CsI in water because it has higher lattice enthalpy when present in LiF and this lattice enthalpy is higher than hydration energy of Li⁺.

Alkali carbonates thermal stability increases down the group, therefore decomposes at low temperature.

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