MCQ
When beryllium is bombarded with $\alpha $-particles, extremely penetrating radiations which cannot be deflected by electrical or magnetic field are given out. These are
- AA beam of protons
- B$\alpha $-rays
- ✓A beam of neutrons
- D$X-$ rays
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Statement $I$: Group $13$ trivalent halides get easily hydrolyzed by water due to their covalent nature.
Statement $II$: $\mathrm{AlCl}_3$ upon hydrolysis in acidified aqueous solution forms octahedral $\left[\mathrm{Al}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ ion.
In the light of the above statements, choose the correct answer from the options given below :