Among the following species, identify the isostructural pairs. \(NF_3,NO_3^-,BF_3,H_3O^+,N_3H\)

\([NF_3,H_3O^+ ] \text{ and } [NO_3^-,BF_3]\)

\([NF_3,NO_3^- ] \text{ and } [BF_3, H_3O^+]\)

\([NF_3,N_3H ] \text{ and } [NO_3^-, BF_3]\)

\([NF_3,H_3O^+ ] \text{ and } [NO_3^-,BF_3]\)

\([NF_3,H_3O^+ ] \text{ and } [N_3H,BF_3]\)

The number and type of bonds in allyl cyanide are

9 (\(\sigma\)) and 3 (\(\pi\)) bonds

9 (\(\sigma\)) and 4 (\(\pi\)) bonds

9 (\(\sigma\)) and 3 (\(\pi\)) bonds

8 (\(\sigma\)) and 5 (\(\pi\)) bonds

6 (\(\sigma\)) and 2 (\(\pi\)) bonds

\(120^\circ\) and \(109.5^\circ\)

\(90^\circ\) and \(109.5^\circ\)

\(109.5^\circ\) and \(90^\circ\)

\(109.5^\circ\) and \(120^\circ\)

\([NF_3,H_3O^+ ] \text{ and } [NO_3^-,BF_3]\)

9 (\(\sigma\)) and 3 (\(\pi\)) bonds

\(120^\circ\) and \(109.5^\circ\)

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