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(A) Let us analyze the bond angles for each pair:$(a) BF_3$ and $BCl_3$ are both $sp^2$ hybridized with trigonal planar geometry,so both have bond ang

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$a, b, d$

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(A) Let us analyze the bond angles for each pair:$(a) BF_3$ and $BCl_3$ are both $sp^2$ hybridized with trigonal planar geometry,so both have bond angles of $120^{\circ}$.$(b) PO_4^{3-}$ and $SO_4^{2-}$ are both $sp^3$ hybridized with tetrahedral geometry,so both have bond angles of $109.5^{\circ}$.$(c) BF_3$ is trigonal planar $(120^{\circ})$,while $PF_3$ is trigonal pyramidal ($sp^3$ with one lone pair,angle $\approx 96^{\circ}$).$(d) NO_2^+$ and $N_2O$ are both linear molecules with $sp$ hybridization,so both have bond angles of $180^{\circ}$.$(e) N_3^-$ is linear $(180^{\circ})$,while $NO_2$ is bent ($sp^2$ with one odd electron,angle $\approx 134^{\circ}$).Thus,pairs $(a), (b),$ and $(d)$ have the same bond angles.

Which of the following pairs have the same bond angles?
$(a) BF_3, BCl_3$
$(b) PO_4^{3-}, SO_4^{2-}$
$(c) BF_3, PF_3$
$(d) NO_2^+, N_2O$
$(e) N_3^-, NO_2$
Select the correct option:

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Which of the following pairs have the same bond angles?$(a) BF_3, BCl_3$$(b) PO_4^{3-}, SO_4^{2-}$$(c) BF_3, PF_3$$(d) NO_2^+, N_2O$$(e) N_3^-, NO_2$Select the correct option: