The molecule that has linear structure is/are

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${SO}_{2}$

${NO}_{2}^{+}$

${XeF}_{2}$

${CO}_{2}$

answer is A, B, D.

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Detailed Solution

${CO}_{2} and {NO}_{2}^{+}$ with sp hybridization are linear.
XeF₂ has sp³d hybridization on Xe atom with a linear shape.
It acquires such shape as five lone pairs present around the central atom(Xe) undergo repulsions leading to a bond angle of 180°.
On the other hand, ${SO}_{2} ({sp}^{2} hybridization)$ has bent shape.
These lone pairs experience repulsion and arrange themselves to minimize energy.
Molecules with a bent shape, such as H₂O, typically involve sp² or sp³ hybridization.
XeF₂ maintains a linear shape due to the symmetrical distribution of lone pairs, which cancels out repulsions.
Bent molecules, on the other hand, have lone pairs that create asymmetry, resulting in a non-linear structure.

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