The number of `N - CH_2 - N` bonds in urotropine is

The number of N-N bond in urotropine is _________.

The number of C-C bonds in Hexamethylene tetramine (CH_(2))_(6)N_(4) are

If in I_(2)Cl_(6) the number of covalent bonds and coordinate bonds are m and n respectively. Find the sum of m+n

If in I_(2)Cl_(6) the number of covalent bonds and coordinate bonds are m and n respectively. Find the sum of m+n

The ratio of number of sigma -bond to pi -bond in N_(2) and CO molecules are :