MCQ
For which of the following, the radius will same as for hydrogen atom having $n = 1$
- A$He^+, n = 2$
- B$Li^{+2}, n = 2$
- ✓$Be^{+3}, n = 2$
- D$Li^{+2}, n = 3$
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Given : $N -N =159\,kJ\,mol^{-1};\,\,H-H = 436\,kJ\,mol^{-1}$
$N \equiv N = {\text{ }}941{\text{ }}kJ{\text{ }}mo{l^{ - 1}}{\text{ }};{\text{ }}N-H{\text{ }} = {\text{ }}398{\text{ }}kJ{\text{ }}mo{l^{ - 1}}$ .....$kJ\,mol^{-1}$
| $List-I$ | $List-II$ |
| $(A)$Glucose $+ HI$ | $(I)$ Gluconic acid |
| $(B)$Glucose $+ Br _{2}$ water | $(II)$ Glucose pentacetate |
| $(C)$Glucose $+$ acetic anhydride | $(III)$ Saccharic acid |
| $(D)$Glucose $+ HNO _{3}$ | $(IV)$ Hexane |
Choose the correct answer from the options given below.
${C_2}{H_5}ONa + I{C_2}{H_5}\xrightarrow{{}}{C_2}{H_5}O{C_2}{H_5} + NaI$