MCQ
Which molecule have triagonal bipyramidal geometry
- ✓$IF_3$
- B$PCl_3$
- C$NCl_3$
- D$BCl_3$
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$(iii)$ Size $(iv)$ Energy level
$Cr _2 O _7^{2-}+ XH ^{+}+6 Fe ^{2+} \rightarrow YCr ^{3+}+6 Fe ^{3+}+ ZH _2 O$
The sum of $X . Y$ and $Z$ is $.......$.
