Find the number of ` pi`-bonds in `(CN)_2`

In [Ag(CN)_2]^(-) , the number of pi bonds is

The number of sigma and pi -bonds in Fe_(2)(CO)_(9) respectively are .

Write the number of sigma and pi bonds in the following molecules?

Find out the number of sigma and pi bonds in the following molecules. (a)C_(2)H_(5)Cl(b)CH_(2)Cl_(2)(c )CH_(3)-CH=CH-C-=C-H

Find the number of solutions to log_(e) |sin x| = -x^(2) + 2x in [-(pi)/(2), (3pi)/(2)] .

Find the number of solutions of sin^2x-sinx-1=0in[-2pi,2pi]

Find the number of chemical species, in which 2 p pi -3 d pi back bond is present B(OH)_(3), N(SiH_(3))_(3),P(CH_(3))_(3),N(GeH_(3))_(3),BeCl_(2),O(SiH_(3))_(2),O Cl_(2),BCl_(3)

Which of the following compound have number of p pi-p pi bond equal to p pi - d pi bond.

Consider a prototypical fullerene, C_(60) Let, a = Number of 5 -membered rings: b = Number of 6 -membered rings c = Number of pi bonds in C_(60) Find the value of (3a-2b+c)

The number of sigma and pi -bonds in but-1-en-3-yne are