MCQ
The maximum number of electrons accommodated in $5f$ orbitals are
- A$5$
- B$10$
- ✓$14$
- D$18$
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(Atomic no. : $B = 5,S = 16,Ni = 28,Xe = 54$)
${N_2}(g)\, + \,3{H_2}(g)\,\rightleftharpoons \,2N{H_3}\,(g)$
at constant temperature and pressure. Then the ratio of the final volume to the initial volume of gases are.