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Dienes - Hydrocarbon
These are hydrocarbon along with two carbon-carbon double bonds. Dienes are of three forms
(a) Conjugated dienes: Double bonds are seperated through one single bond.
(b) Cumulative dienes: in this Double bonds are adjacent to each other.
(c) Isolated or Non-conjugated: Double covalent bonds are separated by several one single bond.
The formula is CnH2n-2. The predominant member of which is 1, 3-butadiene.
The only nonradioactive isotope of fluorine has 9 protons and 10 neutrons. a. What is its mass number. b. Write the full symbol of this atom.
Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å (2) 0.222 Å (3) 0.28 Å (4)0.53A Ans: 0.53 Å
In order to determine the standard electrode potential of an electrode, the electrode in standard conditions is connected to standard hydrogen electrode (SHE) to constitute a cell.
Name a substance which on addition to AgCl causes vacation vacancy in it. Mention a large scale use of the phenomenon called 'reverse osmosis'.
Why does calcium sulphate form scales in high pressure boilers
On the basis of application, how are dyes classified? Describe essential features of any two of them.
What metals combine with non-metals, the metal atom tends to: (1) Lose electrons (2) Gain electrons (3) Remain electrically neutral (4)
Q. Explain about Bohr atomic model? Bohr anticipated that hydrogen's single electron could orbit at only specific distances from the atom's nucleus. When the electron is in the
Natural rubber: Natural rubber is obtained by making small incisions on the bark of certain types of trees, like "Have a brasiliensis" and "Ganynle". White milky liquid substance
the carbonate process
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