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Aluminium metal is frequently used as a reducing agent for the extraction of metals such as Chromium, Manganese etc. Explain why? Ans) The free energy change for the formation o
Some important types of electrodes which are frequently used in electrochemical cells are described as follows: Metal-metal ion electrode: such type of electrodes includes a
When the azimuthal quantum number has a value of l= l , the shape of the orbital is : (1) Unsymmetrical (2) Spherically symmetrical (3) Dumb-bell (4)Complicated Ans:
All the elements of Group 13 form trioxides also known as sesquioxides of the formula, M 2 O 3 . Thallium forms stable Tl 2 0 also. The basic character of oxides increases down th
Radioactive decay is a process whereby unstable nuclei change into more stable nuclei by emitting particles of different kinds. Alpha, beta and gamma (α, β and γ) radiation was cla
chemical properties of formic acid
Q. Halides of Boron and Aluminium? All the elements of Group 13 form binary halides. All the four trihalides of each element are known, with one exception. The compound Tl13 is
500-600 words
The band model of solids is an extended of the molecular orbital (MO) method. The overlap of atomic orbitals in an extended solid produces rise to continuous bands of electronic en
which element is the largest size halogen.
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