State the possible shapes of molecules of the general formula QX₂. - Leaving Cert Chemistry - Question 1 - 2021
Question 1
State the possible shapes of molecules of the general formula QX₂.
Worked Solution & Example Answer:State the possible shapes of molecules of the general formula QX₂. - Leaving Cert Chemistry - Question 1 - 2021
Step 1
Linear / Straight
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Answer
Molecules with the general formula QX₂ can adopt a linear or straight shape. This occurs when the central atom (Q) is bonded to two identical atoms (X) without any lone pairs, resulting in a bond angle of 180°.
Step 2
V-shaped / Bent
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Answer
Alternatively, QX₂ can exhibit a V-shaped or bent configuration. This typically happens when there are lone pairs on the central atom (Q), leading to a bond angle of less than 180°, resulting in a distorted shape.
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