MCQ
An isostere is
- ✓$NO_2^ - $ and ${O_3}$
- B$NO_2^ - $ and $PO_4^{3 - }$
- C$C{O_2},\,{N_2}O,\,NO_3^ - $
- D$ClO_4^ - $ and $OC{N^ - }$
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If the above equation is balanced with integer coefficients, the value of $z$ is____

$(A)$ paramagnetic $(B)$ bent in geometry $(C)$ an acidic oxide $(D)$ colorless
$[Figure]$ $\xrightarrow{{B{r_2}/hv}}$
