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Nitration or Direct method The number of - NO 2 groups introduced in benzene nucleus relies upon the nature and concentration of the nitrating agent, temperature of nitration
Group 1- Alkali Metals The elements of group 1 are commonly known as alkali metals after the alkaline properties of their hydroxides such as NaOH. The atoms have the (ns) 1 e
5H is the most stable, and the least stable isotope is 7H
CRYSTALLINE SOLIDS Solids may be loosely categorized into two groups. Amorphous solid has no long-range order in their molecular or atomic structure. By their nature Amorphous
Chloroform or trichloromethane, CHCl 3 It is a significant trihalogen derivative of methane. It was given by Liebig in year 1831 and its name chloroform was proposed by Dumas
Q. What do you know about Radioactive Dating? Ans. Half-life measurements of radioactive elements in rocks and fossils can be used to determine the age of the specimen. On
explain nitric oxide becomes brown when released in air
Be's 4th electron will have four quantum numbers: n l m s (1) 1 0 0 +1/2 (2) 1 1 +1 +1/2
equivalent mass as an assignment
example of two component with different composition
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