p block element, Chemistry

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Describe properties of potassium permanganate., Potassium permanganate is p...

Potassium permanganate is prepared from pyrolusite  (MnO 2 ) . Pyrolusite is fused with KOH in the presence of atmospheric oxygen or an oxidising agent like potassium nitrate or po

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The concentration of hydrogen ions in solution affects the enzyme activity. Every enzyme has maximal efficiency under an optimum pH. As pH is one of the factors for the denatura

Transition metal do not displace hydrogen from dilut acid, Most of the tran...

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This cycloaddition reaction involves sixteen electrons; hence, it must be suprafacial on one component and antarafacial on the other.  Thus, it must be a [14s + 2a] or a [14a + 2s]

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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

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The mole concept, if one ton contains 2000 pounds and the coal is 2% by mas...

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