MCQ
Which is correctly matched
- ✓$n = 5,l = 2,m = + 2,s = - 1/2$
- B$n = 5,l = 5,m = - 2,s = + 1/2$
- C$n = 3,l = 2,m = + 2,s = 0$
- D$n = 3,l = 2,m = + 3,s = + 1/2$
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| List-$I$ (Elements) | List-$II$(Properties in their respective groups) |
| $A$ $\mathrm{Cl}, \mathrm{S}$ | $I$ Elements with highest electronegativity |
| $B$ $\mathrm{Ge}, \mathrm{As}$ | $II$ Elements with largest atomic size |
| $C$ $\mathrm{Fr}, \mathrm{Ra}$ | $III$ Elements which show properties of both metals and non metal |
| $D$ $\mathrm{F}, \mathrm{O}$ | $IV$ Elements with highest negative electron gain enthalpy |
Choose the correct answer from the options given below :
$CO(g) + \frac{1}{2}{O_2}(g)\, \to \,C{O_2};\,\,\,\Delta H = 135.2\,kcal$
Then heat of formation of $CO(g)$ is .....$ kcal$
|
List $I$ (Molecule Species) |
List $I$ ( Property Shape ) |
| $A$ $\mathrm{SO}_2 \mathrm{Cl}_2$ | $I$ Paramagnetic |
| $B$ $NO$ | $II$ Diamagnetic |
| $C$ $\mathrm{NO}_2^{-}$ | $III$ Tetrahedral |
| $D$ $\mathrm{I}_3^{-}$ | $IV$ Linear |
Choose the correct answer from the options given below :
(Given : $h =6.63 \times 10^{-34} \,Js , N _{ A }=6.02 \times 10^{23} \,mol ^{-1}$, $c =3 \times 10^{8}\, ms ^{-1}$ )