| List I -Type of Hydride | List II-Example | ||
| A | Electron deficient hydride | I | MgH2 |
| B | Electron rich hydride | II | HF |
| C | Electron precise hydride | III | B2H6 |
| D | Saline hydride | IV | CH4 |
Choose the correct answer from the options given below:
Calculate the potential for half-cell containing 0.01 M K\(_2\)Cr\(_2\)O\(_7\)(aq), 0.01 M Cr\(^{3+}\)(aq), and 1.0 x 10\(^{-4}\) M H\(^+\)(aq).

Wave propagates whose electric field is given by \(\mathbf{E} = 69 \sin(\omega t - kx)\,\hat{j}\). Find the direction of magnetic field.
