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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.
Physical properties of dienes
whatdo you mean by gravitational force constant ?
Which species contain unpaired electron? BaO 2 here oxidation number of Ba is +1 Ba(+) has 1 electron in its outermost shell so its unpaired in KO 2 . .oxd state of K is +
Diazomethane has the following composition by mass: 28.57% c ,4.80% h and 66.64% n . The molar mass of diazometane is 42.04 g/mol. Find the molecular formula of diazomethane and dr
a student prepared a solution of sodium carbonate by 2.111g of the solid to a 250.0ml volumentric flask and adding H2O to the mark.Some of this solution was transferred to a burett
Perfect gases are assumed to be comprised of infinitesimally small particles and to interact only at the point of collision. At intermediate pressures, the volume of the gas become
(a) How is aniline obtained from benzene? (b) Why are the secondary amines more basic than primary amines? Describe. (c) Write the complete chemical reactions for the convers
The outer electronic structure 3s 2 3p 5 is possessed by: (1) Cl (2) O (3) Ar (4) Br ans: Cl
How does it help in stabilising a structure Ans) More alpha hydrogens more hyper conjugations More hyper conjugation more is the stability Less inductive effect more hyper
A Galvanic cell or voltaic cell or electrochemical cell is a system in which a spontaneous chemical oxidation- reduction happens and makes electrical energy.
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