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Q. Physical Properties of group16? Similar to the groups discussed earlier. The metallic character in Group 16, increases with increasing atomic number. Oxygen and sulphur are
Q. What are Hexahalides? Hexahalides: S, Se-and Te react with excess of fluorine to give the corresponding hexafluorides. Fluorine being the most electronegative oxidises the
The cell diagram of a mercury cell can be written Zn(s) | ZnO (s) NaOH (aq) HgO (s) HgO (I) (a) Write the electrode reactions and cell reaction with electron number z = 2.
Q. Important applications of indium? The most important applications of indium are in protection of bearings against wear and erosion in low melting alloys and in electronic de
Rutherford's scattering experiment is related to the size of the: (1) Nucleus (2) Atom (3) Electron (4) Neutron Ans: Nucleus
Fast reactions are those reactions that occur instantaneously. A fast reaction depends upon the reaction rates. These reactions are so fast that they occur as soon as the reactants
tests for mixture of acid radicals
application of organomethod
The difference among Threshold energy and average energy of the molecules is known as activation energy.
2Zns + 3O 2 ---------> 2ZnO + 2SO 2 ZnCO 3 -------------> ZnO + CO 2 ZnO +C ------> Zn +CO ZnO + CO -----------> Zn + C0 2
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