Which of the following is incorrect about lithium ??A. LiOH is a strong baseB. Unlike other alkali metals, Li does not react with ethyne to from lithium ethynide.C. Unlike other alkali metals, Li forms dilithium acetylide on heating with C.D. Lithium has a greater tendency to form complexes than other alkali metals.

Which of the following is incorrect about lithium ??A. LiOH is a stron

1.	Which of the following is incorrect about lithium ??A. LiOH is a strong baseB. Unlike other alkali metals, Li does not react with ethyne to from lithium ethynide.C. Unlike other alkali metals, Li forms dilithium acetylide on heating with C.D. Lithium has a greater tendency to form complexes than other alkali metals.
Answer» Correct Answer - A LiOH is a weak base because it is only sparingly soluble in water while the hydroxides of other alkali metals are strong bases as they are more soluble in water. `2M+CH-=CHoverset(liq." "NH_(3))tooverset(+)(M)overset(-)(C)-=overset(-)(C)overset(+)(M)+H_(2)` `(M=Na,K,Rb,Cs)` `2LiJ+2Coverset(Delta)tounderset("Dilithium acetylide")(Li^(+)overset(-)(C)-=overset(-)(C)Li)`

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