Which of the following statements is CORRECT? | vedclass

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(A) . $Li$ is the hardest among alkali metals because of its small size and strong metallic bonding. This statement is $CORRECT$.$B$. In the $Solvay$

Vedclass · Accepted Answer

$Li$ is harder than the other alkali metals.

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(A) . $Li$ is the hardest among alkali metals because of its small size and strong metallic bonding. This statement is $CORRECT$.$B$. In the $Solvay$ process,$NH_3$ is recovered by treating $NH_4Cl$ with $Ca(OH)_2$,not $H_2O$.$C$. $K_2CO_3$ is known as pearl ash,not $Na_2CO_3$.$D$. $Be^{2+}$ and $Al^{3+}$ have a very strong tendency to form complexes like $[BeF_4]^{2-}$ and $[AlF_6]^{3-}$ due to their high charge density.

Which of the following statements is $CORRECT$?

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