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Which of the following molecules have bo...

Which of the following molecules have both covalent and coordinate bonds ? a)`O_(3)` b)`N_(2)O` c)`NH_(4)^(+)` d)`H_(2)O`

A

(a) and (b) only

B

(b) and ( c) only

C

(a), (b) and ( c) only

D

all of these

Text Solution

AI Generated Solution

The correct Answer is:
To determine which of the given molecules have both covalent and coordinate bonds, we will analyze each option step by step. ### Step 1: Understanding Covalent and Coordinate Bonds - **Covalent Bond**: A bond formed by the sharing of electrons between two atoms. - **Coordinate Bond**: A bond formed when one atom donates both electrons to be shared with another atom. ### Step 2: Analyze Each Molecule #### Option A: O₃ (Ozone) - Ozone consists of three oxygen atoms. - The structure involves a central oxygen atom bonded to two other oxygen atoms. - The bonds between the oxygen atoms are covalent, but one of the oxygen atoms donates a lone pair to the central oxygen, forming a coordinate bond. - **Conclusion**: O₃ has both covalent and coordinate bonds. #### Option B: N₂O (Nitrous Oxide) - Nitrous oxide consists of two nitrogen atoms and one oxygen atom. - The nitrogen atoms are bonded to each other with a triple bond (covalent), and one nitrogen atom donates a lone pair to the oxygen atom, forming a coordinate bond. - **Conclusion**: N₂O has both covalent and coordinate bonds. #### Option C: NH₄⁺ (Ammonium Ion) - The ammonium ion consists of one nitrogen atom and four hydrogen atoms. - The nitrogen forms four covalent bonds with the hydrogen atoms. - There is no donation of a lone pair from nitrogen to form a coordinate bond. - **Conclusion**: NH₄⁺ only has covalent bonds. #### Option D: H₂O (Water) - Water consists of one oxygen atom and two hydrogen atoms. - The oxygen atom forms two covalent bonds with the hydrogen atoms. - There is no donation of a lone pair from oxygen to form a coordinate bond. - **Conclusion**: H₂O only has covalent bonds. ### Final Conclusion The molecules that have both covalent and coordinate bonds are: - **O₃ (Ozone)** - **N₂O (Nitrous Oxide)** ### Summary of Findings - **O₃**: Both covalent and coordinate bonds. - **N₂O**: Both covalent and coordinate bonds. - **NH₄⁺**: Only covalent bonds. - **H₂O**: Only covalent bonds.
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