Chemical Bondin...

The relation between $$x, y$$ and $$z$$ in bicarbonate ion with respect to bond length is:

$$S-S$$ bond is present in:

Which compound has non-zero dipole moment?

The correct order of increasing bond length of $$C-H$$, $$C-O$$, $$C-C$$ and $$C=C$$ is :

Which of the following molecule does not possess a permanent dipole moment?

Which of the following is not correct?

A: Tetracyanomethane 
B: Carbondioxide 
C: Benzene
C: $$1,3-buta-di-ene$$
Ratio of $$\sigma$$ and $$\pi$$: 

In which of the following molecules, bonding is not taking place in excited state:

From the given list of compounds whose proton bonding is highest?