A) Their nitrates decompose on heating to give\[N{{O}_{2}}\]and\[{{O}_{2}}\]
B) Their carbonates decompose on heating to give\[C{{O}_{2}}\]and the metal oxide
C) They react with oxygen to give mainly the oxide\[{{M}_{2}}O\]
D) They react with halogens to give the halides MX
E) They react with nitrogen to give nitrides
Correct Answer: D
Solution :
Alkali metal react with halogen to give halides. They are normally represented by \[{{M}^{+}}{{X}^{-}}\].
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