MCQ
Energy of atomic orbitals in a particular shell is in the order
- ✓$s < p < d < f$
- B$s > p > d > f$
- C$p < d < f < s$
- D$f > d > s > p$
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$2Al{(s)}+6HCl{(aq)} \rightarrow 2Al^{^{3+}}{(aq)}+6Cl^-{(aq)} +3H_2{(g)}$