Practice

Questions

Pick a topic and practice with clear explanations.

Engineering

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The first ionization enthalpy of 33d series elements is more than that of group 22 metals Reason (R) : In 33d series of elements successive filling of d-orbitals takes place. In the light of the above statements, choose the correct answer from the options given below :