NEET 2023 Question Paper Mock Test

The equilibrium concentrations of the species in the reaction $\text{A}+\text{B}\rightleftharpoons \text{C}+\text{D}$ are $2,3,10$ and $6{\text{mol L}}^{-1}$, respectively at $300\text{K}$. $\Delta G^{\circ }$ for the reaction is ($R=2\text{cal/mol K}$):

Which complex compound is most stable?

Match List-I with List–II:| List-I (Oxoacids of Sulphur) | List-II (Bonds) || :--- | :--- || A. Peroxodisulphuric acid | I. Two $\text{S-OH}$, Four $\text{S=O}$, One $\text{S-O-S}$ || B. Sulphuric acid | II. Two $\text{S-OH}$, One $\text{S=O}$ || C. Pyrosulphuric acid | III. Two $\text{S-OH}$, Four $\text{S=O}$, One $\text{S-O-O-S}$ || D. Sulphurous acid | IV. Two $\text{S-OH}$, Two $\text{S=O}$ |

Pumice stone is an example of:

Identify the final product [D] obtained in the following sequence of reactions: