A) \[CaC{{l}_{2}}+{{O}_{2}}.\]
B) \[{{K}_{4}}[Fe{{(CN)}_{6}}],\]
C) \[F{{e}^{2+}}\]
D) \[F{{e}^{2+}}=[Ar]3{{d}^{6}},4{{s}^{0}}\]
Correct Answer: A
Solution :
Given, \[{{k}_{1}}=3{{k}_{2}}=1.5{{k}_{3}}\] ?...(i) For bcc structure, \[C=C\] or \[C=N\] \[{{(C{{H}_{3}})}_{2}}C=NOH,\] \[(-C{{H}_{3}})\] \[N=N\] \[{{C}_{6}}{{H}_{14}}\] Density (d) \[N{{a}^{+}}\] \[{{K}^{+}}\] \[{{H}_{4}}A{{s}_{2}}{{O}_{7}}\]
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