Question

.1) The carbide ion (C34-1. present in Mg2 C3 is isoelectronic with:
(A) C2N2 (B) CO2
(C) C2
2-(D) CN-

2.) An element whose hydride when reacted with water would produce H2 gas is
(A) CsH (B) BeH2
(C) AIH3 (D) SiH4
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Answer 1

c) c2 d)

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