Which of the following factors may be regarded as the main cause of lanthanide…
Chemistry · JEE Main · NTA Exams — d- and f-Block Elements
Which of the following factors may be regarded as the main cause of lanthanide contraction ?
- Greater shielding of 5d electrons by 4f electrons
- Poorer shielding of 5d electrons by 4f electrons
- Effective shielding of one of 4f electrons by another in the subshell
- Poor shielding of one of 4f electron by another in the subshell
Answer
(D) Poor shielding of one of 4f electron by another in the subshell
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Which of the following statements are correct? (A) The M ^ 3+ / M ^ 2+ reduction potential for iron is…
- Which of the following electronic configurations represents Fe 3+ ?
- Successive members of the first row transition elements are listed below with their atomic numbers. Which one…
- Prolonged heating is avoided during the preparation of ferrous ammonium sulphate to (Jee Main 2023)
- Which of the following 3d-metal ion will give the lowest enthalpy of hydration ( _ bdd H ) when dissolved in…
- The general electronic configuration f-block elements is represented by
- When KMnO 4 acts as an oxidising agent and ultimately forms [MnO 4 ] 2– , MnO 2 Mn 2 O 3 , Mn +2 then the…
- Which one of the following oxides of chromium is amphoteric in nature ?
More d- and f-Block Elements questions · Browse all practice questions