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Thursday, November 12, 2020
What is hydrolysis products of "Caro's" acid ?
H2SO5 (Per sulphuric acid) is also know as Caro's acid and on hydrolysis gives sulphuric acid and Hydrogen peroxide. And this hydrolysis take place through addition-Elimination mechanism.
Tuesday, November 10, 2020
What is "Nascent" Hydrogen ?
Hydrogen
is more receive than dihydrogen at the time of preparation. The Hydrogen
produced in situ in contact with the substance to be reduced is known as
"Nascent" hydrogen.
Topic:
HYDROGEN AND ITS COMPOUNDS
What is "Pure Gold" ? and what is meaning of " carat" with related to the purity of gold ?
Purity of ornamental gold is expressed in term of the "carat" and "24 carat gold" is 100% pure on carat scale .
We know that 100% gold is very soft so that not suitable for making ornaments then increases hardness of gond by adding silver or copper to make ornaments. Thus find the percentage of gold is "x" carat gold the % of gold and copper calculated as:
% of of gold in "20 carat gold" = 20/24×100= 83.33%
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