When a hydrocarbon A undergoes combustion in the presence of air, it requires 9.5 equivalents of oxygen and produces 3 equivalents of water. What is the molecular formula of A?
A doctor prescribed the drug Equanil to a patient. The patient was likely to have symptoms of which disease?
The set of correct statements is :
(i) Manganese exhibits +7 oxidation state in its oxide.
(ii) Ruthenium and Osmium exhibit +8 oxidation in their oxides.
(iii) Sc shows +4 oxidation state which is oxidizing in nature.
(iv) Cr shows oxidising nature in +6 oxidation state.
Match List I and List II
|List I||List II|
|A.||Osmosis||I.||Solvent molecules pass through semi permeable membrane towards solvent side.|
|B.||Reverse osmosis||II.||Movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes.|
|C.||Electro osmosis||III.||Solvent molecules pass through semi permeable membrane towards solution side.|
|D.||Electrophoresis||IV.||Dispersion medium moves in an electric field.|
Choose the correct answer from the options given below :