MCQ
Which is metalloid
- A$Pb$
- ✓$Sb$
- C$Bi$
- D$Zn$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A)$ $\mathrm{Bu}-\mathrm{OH}$
$(B)$ $IMAGE$ $(C)$ $IMAGE$ $(D)$ $IMAGE$
Choose the correct answer from the options given below :
$(A)$ $\left[ Ni \left( H _{2} O \right)_{2}( en )_{2}\right]^{2+}$
$(B)$ $\left[ Ni \left( H _{2} O \right)_{4}(\text { en })\right]^{2+}$ and
$(C)$ $\left[ Ni ( en )_{3}\right]^{2+}$ is ...... .
