MCQ
For the transformation the reagent used is


- ✓$LiAlH_4$
- B$H_3PO_2$
- C$H_3O^+$
- D$H_2 / Pt$

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
The Compound $B$ is
${H_2}\left( g \right)\,1atm\,|\,{H^ + }\left( {1M} \right)\,||\,C{u^{2 + }}\left( {1M} \right)\,|\,Cu\left( s \right)$
which of the following statements is true
$(A)$ $\left[ Ni \left( H _{2} O \right)_{2}( en )_{2}\right]^{2+}$
$(B)$ $\left[ Ni \left( H _{2} O \right)_{4}(\text { en })\right]^{2+}$ and
$(C)$ $\left[ Ni ( en )_{3}\right]^{2+}$ is ...... .
