State the type of bonding in the following molecules.
(a) water, (b) calcium oxide,
(c) hydroxyl ion, (d) methane,
(e) ammonium ion, (f) ammonium chloride

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Solution

(a)Water - It has hydrogen bond.
(b) Calcium oxide - It has ionic bond.
(c)
Covalent bond
(d)Coordinate Covalent bond
(e) Covalent bond
(f) NH₄Cl shows three types of bond - electrovalent bond, dative bond or coordinate bondand covalent bond.
hydroxyl ion,
Covalent bond
Bonding between O and H
. Methane - Covalent bond
Bonding between C and 4 H's
. Ammonium ion - Coordinate covalent bond
Coordinate bonding between NH3 and H.

. Ammonium Chloride - Ionic bond, covalent bond, coordinate bond
Covalent bonding between N and 3 H's
Coordinate bonding between NH3 and H
Ionic bonding between NH4 + and Cl

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