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(i) How would you account for the following:
(a) The transition elements exhibit high enthalpies of atomization.
(b) The 4d and 5d series of the transition metals have more frequent met- al metal bonding in their compounds than do the 3d metals.
(c) There is a greater range of oxidation states among the Actinoids than that in the lanthanoids.
(ii). Write the complete chemical equation for each of the following:
(a) An alkaline solution of KMnO4 reacts with an iodide.
SULFUR, SELENIUM AND TELLURIUM The elements known commonly as the chalcogens are in the same group (16) as oxygen. They form some compounds same to those of oxygen, but show m
The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is: (1) 2 : 1 (2)1 : 1 (3)1 : - 1 (4)
Explain in detail about the Allotropy Allotropy refers only to dissimilar forms of an element within the similar phase or state of matter (i.e. different solid, liquid or gas
if the electon in hydrogen atom is exited to n=5 the number of diffrent frequency of radiations which may be exited is
Binary phase diagrams of two component systems are usually Two dimensional plots of temperature and composition.
variation of cnductivigy with temperature
how much atp energy (kcal) is produced in our bodies from the conversion of 100.0 moles of sucrose?
acid radical
Elimination reactions - Chemical Properties Alkyl Halides The positive charge on carbon is promulgated to the neighbouring carbon atoms through inductive effect. While moved to
1. Discuss how you would go about collecting data for an analysis of the water budget of a region. 2. Discuss the sources and impacts of suspended solids. 3. The reaction o
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