MCQ
Iso-electronic species is
- ✓${F^ - },\,\,{O^{ - 2}}$
- B${F^ - },\,\,O$
- C${F^ - },\,\,{O^ + }$
- D${F^ - },\,\,{O^{ + 2}}$
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$[K_b\,(CH_3COO^-) =10^{-9},pK_a\,(HPh)=9.6,log\,2 =0.3]$