MCQ
An element $X$ combines with hydrogen to form a compound $\mathrm{XH}_3$. The element $X$ is placed on the right side of the periodic table. Which of the following statement is correct for element $X\ ?$
- Has two valence electrons.
- Is a metal and is solid.
- Is a non $-$ metal and is a gas.
- Has five valence electrons.
- $\mathrm{XH}_3$ reacts with water to forma basic compound.
- A$\ce{I, H}$ and $\ce{III}$
- B$\ce{II, III}$ and $\ce{IV}$
- ✓$\ce{III, IV}$ and $\ce{V}$
- D$\ce{V, I}$ and $\ce{II}$