DiagramModerate2 marks
Draw the electron dot diagram of Hydronium ion. (H=1; O=8)
Topic: Chemical bonding and electron structures
Previous-year question practice database
Answer
Solution diagram

Exam answer
H₃O⁺: oxygen forms three O–H bonds, one of which is coordinate, and retains one lone pair.
More from Chemical Bonding
Which of the following element pairs will form an ionic bond?
Pair
P Elements of Group 1 & Group 2
Q Elements of Group 14 & Group 16
R Elements of Group 2 & Group 17
S Elements of Group 15 & Group 182026A pair of electrons present in an atom which is not shared with any other atom during bond formation.2026............... is a polar covalent compound. [HCl / CCl₄]2026Draw the dot (•) and cross (×) structure of the compound formed in (b) above.2026The diagram given below shows the bonding in the covalent molecule AB₂.
Which option represents the correct electronic configuration of atoms A and B before combining together to form the above molecule?2025The type of covalent bond in which electrons are shared unequally between the combining atoms2025