MCQ
The ion which is not tetrahedral in shape is
- ✓$Cu \left( NH _3\right)_4{ }^{2+}$
- B$B F_4^{-}$
- C$NH _4{ }^{+}$
- D$NiCl _4{ }^{2-}$

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.



$N{H_3} + {O_2}\xrightarrow[{Pt}]{\Delta }x + {H_2}O$
${x} + {O_2} \to y$
$y + {H_2}O{\text{(excess)}} \to {\text{x + z}}$
The incorrect option is