MCQ
All those elements belong to $ f - $ block whose atomic numbers are
- A$58$ to $71$
- B$90$ to $ 103$
- ✓Both $(a)$ and $(b)$
- DNone
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Sucrose $+$ $H _{2} O \rightleftharpoons$ Glucose $+$ Fructose
If the equilibrium constant $\left( K _{c}\right)$ is $2 \times 10^{13}$ at $300\, K$, the value of $\Delta_{ r } G^{\Theta}$ at the same temperature will be:
| List$-I$ (Oxoacids of Sulphur) | List$-II$ (Bonds) |
| $A$. Peroxodisulphuric acid | $I$. Two $S - OH$, Four $S = O$, One $S - O - S$ |
| $B$. Sulphuric acid | $II$. Two $S - OH$, One $S = O$ |
| $C$. Pyrosulphuric acid | $III$. Two $S - OH$, Four $S = O$, One $S - O - O - S$ |
| $D$. Sulphurous acid | $IV$. Two $S - OH$, Two $S = O$ |
Choose the correct answer from the options given below.