Long Answer TypeGive reasons for the following:
(i) Density of water is maximum at 277K (4°C).
(ii) Why glycerol (glycerine) is more viscous than ethyl alcohol?
Short Answer TypeExplain the formation of a chemical bond.
The attractive force which holds various constituents (atoms,ions, etc.)together in different chemical species is called a chemical bond.
Molecules having two identical atoms like H2 and O2 Cl2 N2 are called as homonuclear diatomic molecules.
Molecules containing two different atoms like CO, HCl, NO, HBr etc, are called as heteronuclear diatomic molecules.
Long Answer TypeWrite Lewis symbols for the following atoms and ions:
S and S2–; Al and Al3+; H and H–.
Short Answer TypeLong Answer Type
Switch
