Questions
By definition “X” is not an alkaline earth metal. Hydride of “X” cannot be prepared by direct combination with hydrogen. “X” renders passive with concentrated . Nature of Oxide of “X” is
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a
Acidic
b
Amphoteric
c
Neutral
d
Basic
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Correct option is B
“BeO” is amphoteric, other oxides of 2nd group are basic. ∴ By definition “Be” cannot be called as alkaline earth metal; BeH2 cannot be prepared directly; “Be” renders passive with concentrated HNO3 due to the formation of oxide layer;Similar Questions
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