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`

Indicate the number of sigma -and pi -bonds in the following molecules: (i) CH_(3)-C-=C-H (ii) CH_(3)-CH=CH_(2) (iii) H_(2)C=C=CH_(2) (iv) CH_(3)-CH_(2)-CH_(3) (v) H_(2)C=C-CH-CH_(3) (vi) HC=C-CH=CHCH_(3) (vii) H_(2)C =CH-C-=N (viii) CH_(3)OH (ix) CH_(3)-C-=N (x) CH_(3)NO_(2) (xi) CH_(2)CI_(2) (xii) C_(6)H_(12) (Hexene)

Find the number of sigma-and pi-"bond" in the molecule: CH_(3)CH_(2)CH=CH-C-=CH.

Indicate the sigma and pi bonds in the following molecules: (1) C_(6)H_(6) (2) C_(6)H_(12) (3) CH_(2)CI_(2) (4) CH_(2)=C=CH_(2) (5) CH_(3)NO_(2) (6) HCONHCH_(3)

What is the total number of sigma and pi bond in the following molecules : (i) CH_(2)Cl_(2) (ii) H_(3)C-overset(H)overset(|)C=overset(H)overset(|)C-C-=C-H (iii) C_(2)H_(3)Cl

Indicate the sigma and pi bonds in the following molecules C_6H_6 , C_6H_12 , CH_2Cl_2 , CH_2 = C = CH_2