Carbon and its Compounds Part 4

Carbon & its compound

Why are carbon and its compounds used as fuels for most applications?

STATEMENT-1 Oxidation state of carbon in its compound is always +4. STATEMENT-2 : An element can show variable oxidation numbers.

Aerosols having carbon and fluorine compounds are chiefly released by

Assertion :- Oxidation number of Carbon in all it's compounds is +4 . Reason :- An element has a fixed oxidation state.

Carbon dioxide is a compound.

Assertion : Carbonyl compounds take part in nucleophilic addition reactions. Reason : These reactions are initiated by nucleophilic attack at the electron deficient carbon atom.

Carbon forms ____compounds whereas lead forms _____ compounds.

Assertion (A) : Carbon forms covalent compounds but lead dorms ionic compounds Reason (R) : carbon can lose four electrons to four C^(4+) ion but lead cannot .

Why are homologous series of carbon compounds so called? Write chemical formula of two consecutive members of a homologous series and state the part of these compounds that determines their (i) physical properties, and (ii) chemical properties.