Chemistry · Covalent Bonding: Concept of electronegativity, Fajan's rule, dipole moment, Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules
Arrange Li, Na, K, Rb, Cs in order of increasing electronegativity:
Arrange Li, Na, K, Rb, Cs in order of increasing electronegativity:
- A. \( C s<R b=K<N a<L i \)
- B. \( R b<C s=L i<N a<L \)
- C. \( C s<R b=N a<L i<K \)
- D. None of these
Step-by-step solution
Electronegativity decreases down Group 1. Pauling values: Li 0.98, Na 0.93, K 0.82, Rb 0.82, Cs 0.79. Thus, increasing order: Cs < Rb = K < Na < Li.