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Knocking - Characteristics of hydrocarbons
The metallic sound throughout working of an internal combustion engine is known as knocking.
"As much the compression greater will be efficiency of engine." The fuel along with minimum (least amount) knocking characteristic is all the time preferred.
The trend to knock falls off in the given sequence: Straight chain alkanes > branched chain alkanes > olefins > cyclo alkanes > aromatic hydrocarbons.
According to Heisenberg's uncertainty principle, the product of uncertainties in position and velocities for an electron of mass 9.1x 10 -31 kg is: (1) 2.8x 10 -3 m 2 -s -1
Which of the following compounds is ionic: (1) Kl (2) CH 4 (3) Diamond (4) H 2 Ans: Kl
hybridization in hydroxyl group
conclusion on the topic caustic soda
what are the equacyions of Dunstan''s test ???
Reduction of Alkyne: Alkynes add on hydrogen in existence of appropriate catalysts like finely divided Ni, Pd. Determine if the triple bond is not found at the end of t
The mathematical expression used for expressing the rates of chemical reaction is given below by taking two different set of chemical reactions. Reactions involving same s
what is the role of structural protein, their types, how are they formed, significance.
what is chemical bondiong
Atoms in the water molecule are linked by: (1) Electrovalent bond (2)Covalent bond (3) Coordinate covalent bond (4) Odd electron bond Ans: Cov
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