MCQ
Number of orbitats in $h$ sub-shell is
- ✓$11$
- B$15$
- C$17$
- D$19$
$l$ = $0$ $1$ $2$ $3$ $4$ $5$
Number of orbitals $ = 5 \times 2 + 1 = 11$
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$C_{(graphite)} + CO_{2(g)} \rightarrow 2CO _{(g)}$
are $170\, kJ$ and $170\, J K^{-1},$ respectively. This reaction will be spontaneous at ............ $\mathrm{K}$
$(I)$ electron affinity of $Y$ is high $(II)$ ionization energy of $X$ is low
$(III)$ lattice energy of $XY$ is high $(IV)$ lattice energy of $XY$ is low
Choose the correct code

