List of top Chemistry Questions asked in GATE XL

Which among the following metal ions has the highest enthalpy of hydration? (Assume the given metal ions have the same counter ion.) Given: Atomic numbers of Ti, V, Cr and Mn are 22, 23, 24 and 25, respectively.

Consider a second order reaction, \( 2A \rightarrow \text{Product} \).
The concentration of A is represented as \( [A] \).
Which of the following is the CORRECT plot for determining the rate constant for the above reaction?