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(a) Starting from a sample of chromate ore, how is potassium dichromate prepared? Explain all the steps included with chemical equations.
(b) Write the balanced chemical equation for the reaction among an acidified solution of potassium dichromate and potassium iodide.
From the following which group of elements easily forms cation: (1) F, CL, Br (2) Li, Na, K (3) O, S, Se, (4)
Uses of Acid Amides (a) Acid Amides used in organic synthesis. The compounds like methyl cyanide, Methylamine and ethylamine can be prepared. (b) Acid Amides used in leathe
construction and working of calomel electrode???
explain Fischer diagram
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how do I find an empirical formula?
Which of the following sets of quantum numbers is correct for an electron in 4f orbital: (1) n-=4, l=3. m+1, s= +1/2 (2) n-=4, l=4. m-4, s= -1/2
Describe why shielding is more effective by electrons in a shell of lower principle quantum number than by electrons having the similar principle quantum number.
ordering in arrangement of protons and neutrons in nucleus
(a) Using Lewis structures to describe your reasoning, describe why the following ions have different bond angles: ClO2 - and NO2 - (b) Given that the spatial arrangement of a
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