MCQ
Six protons are found in the nucleus of
- ABoron
- BLithium
- ✓Carbon
- DHelium
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$A$ || $B$
| Element | $IE_1$ | $IE_2$ | $IE_3$ |
| $P$ | $495.8$ | $4562$ | $6910$ |
| $Q$ | $737.7$ | $1451$ | $7733$ |
| $R$ | $577.5$ | $1817$ | $2745$ |
Then incorrect option is
$ H_2(g) + Cl_2(g) \to 2HCl(g), \Delta H^o = -185\, kJ$
What is $\Delta U^o$ for this reaction? .....$kJ$
($R = 0.082\, L\, atm\, mol^{-1}\, K^{-1}$, Molar mass of $S = 32\, g\, mol^{-1}$, molar mass of $N = 14\, g\, mol^{-1}$)
(Rounded of to the nearest integer)