The number of sigma bonds in gaseous dinitrogen pentoxide, $O X_{2} N - O - NO X_{2}$ , is

Answer: B

Each N is bonded to three O atoms, giving 3 sigma bonds per N (two to terminal O and one to the bridging O). Total = 3 + 3 = 6 sigma bonds (the remaining bonds are pi).

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The number of sigma bonds in gaseous dinitrogen pentoxide, OX2​N−O−NOX2​, is

Answer: B

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The number of sigma bonds in gaseous dinitrogen pentoxide, $O X_{2} N - O - NO X_{2}$ , is