What is the formal charge of carbon in CO and `CO_2` respectively?

In PO_(4)^(3-) the formal charge on each O-atom and P-O bond order respectively are .

What is the formal charge on carbon atom in the following two structures :

What is hybridisation of carbon in CO_(2) ?

What is the normal arterial blood P_(CO_2) ?

Acceptor of CO_2 in C_4 and C_3 plants respectively

The formal charges of oxygen labelled 3,2,1 in ozone respectively are

The source of carbon is atmospheric CO_2 in

Calculate the formal charge on S in HSO_(4)^(-) ion

CO_(3)^(2-) and SO_(3)^(2-) can be distinguished from each other by the production of CO_2) and SO_(2) respectively upon using

What is the nature of an aqueous solution of CO_2 ?