Electrons present in a benzene
How many electrons are present in a benzene?
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30 electrons are in a benzene. This comprises 6 hydrogen electrons and 24 carbon electrons. In this 12 electrons shared among C and H, and 18 among C and C. (6 electrons in ring, 6 in down ring and 6 among C and C).
Whether HCl is a base or an acid? Briefly state your comments?
Give me answer of this question. "Relative lowering in vapour pressure of solution containing non-volatile solute is directly proportional to mole fraction of solute". Above statement is: (a) Henry law (b) Dulong and Petit law (c) Raoult's law (d) Le-Chatelier's pri
are halides are halogens more soluble? why?
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The osmotic pressure of a 5% solution of cane sugar at 150oC is (mol. wt. of cane sugar = 342)(a) 4 atm (b) 3.4 atm (c) 5.07 atm (d) 2.45 atmAnswer: (c) Π = (5 x 0.0821 x 1000 x 423)/(342 x 100) = 5.07 atm
The mole fraction of the solute in 1 molal aqueous solution is: (a) 0.027 (b) 0.036 (c) 0.018 (d) 0.009What is the correct answer.
Karl Scheele, the Swedish chemist, was
list and identify differences between the major classes of hydrocarbons
Nucleophilic substitution reactions in halides containing - X bond may take place through either of the two different mechanisms,S<
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