Which one of the following is mainly responsible for depletion of ozone layer?
Methane
Carbon dioxide
Water
Chlorofluorocarbons
On warming with silver powder, chloroform is converted into
acetylene
hexachloroethane
1, 1, 2, 2-tetrachloroethane
ethylene
Hydrogen molecule differs from chlorine molecule in the following respect.
Hydrogen molecule is non-polar but chlorine molecule is polar
Hydrogen molecule is polar while chlorine molecule is non-polar
Hydrogen molecule can form intermolecular hydrogen bonds but chlorine molecule does not
Hydrogen molecule cannot participate in coordinate bond formation but chlorine molecule can
Which of the following would exert maximum osmotic pressure?
Decinormal aluminium sulphate
Decinormal barium chloride
Decinormal sodium chloride
A solution obtained by mixing equal volumes of (b) and (c) and filtering
For a zero order reaction
A.
For a zero order reaction,
rate, = k
On integrating, we get
[R] = -kt + [C]
When t = 0; [R] = [R0]
[C] = [R0]
[R] = -kt + [R0]
When t = ; [R] =