"Given, and acetic acid solution is 2% ionized.
Using the quadratic equation,
Here, a = 0.0004; b = -0.000015; c = 0
Solving we get, x = 0.0375 M "
absorbed energy =threshold energy + kinetic energy of photoelectrons
hence (d) is the correct answer.
the stability of hydrides decreases down the group from nh3 to bih3 due to decrease in their bond dissociation enthalpy result in the increases of reducing character. reducing character is directly related to the ease of losing hydrogen.