6 public questions tagged with this topic.
A Lewis acid accepts an electron pair. Fe³⁺ has vacant orbitals and can accept an electron pair.
Ref: NCERT Class 11 Chemistry > Chapter 6: Equilibrium > Topic: Relationship Between Kp Kc and Factors Affecting Equilibrium - Le Chatelier
A Lewis acid accepts an electron pair. BF₃ has an incomplete octet and can accept an electron pair, making it a Lewis acid.
Ref: NCERT Class 11 Chemistry > Chapter 6: Equilibrium > Topic: Relationship Between Kp Kc and Factors Affecting Equilibrium - Le Chatelier
H₂O can accept an electron pair (Lewis acid) or donate a lone pair (Lewis base), making it amphoteric.
Ref: NCERT Class 11 Chemistry > Chapter 6: Equilibrium > Topic: Ionic Equilibrium - Acids Bases and pH and Ionization of Weak Acids Bases
Fe³⁺ can accept an electron pair due to its vacant orbitals.
Ref: NCERT Class 11 Chemistry > Chapter 6: Equilibrium > Topic: Homogeneous and Heterogeneous Equilibria and Applications of Equilibrium Constant
Al(OH)3 can accept a lone pair (acid) or donate OH- (base).
Ref: NCERT Class 11 Chemistry > Chapter 6: Equilibrium > Topic: Acid-Base Theories - Arrhenius Bronsted-Lowry Lewis and Salts Hydrolysis
Al³⺠is the scientifically accurate answer to this question. Within the study of Acid, Base, pH, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Al³⺠directly address what is being asked. Among the other options, NH₃, OHâ», and CHâ‚„ do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 2
