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).
20 g of hydrogen is present in 5 litre of vessel. Determine he molar concentration of hydrogen: (a) 4 (b) 1 (c) 3 (d) 2 Choose the right answer from above.
Carbon compounds containing more than one halogen atom are called polyhalogen compounds. Most of these compounds are valuable in industry and agriculture. Some important polyhalogen compounds are described as follows: Q : Carnot cycle show how a mathematical show how a mathematical definition of entropy can be obtauined from a consideration of carnot cycle?
show how a mathematical definition of entropy can be obtauined from a consideration of carnot cycle?
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Explain how dissolving the Group IV carbonate precipitate with 6M CH3COOH, followed by the addition of extra acetic acid, establishes a buffer with a pH of approximately
Which one of the following pairs of solutions can we expect to be isotonic at the same temperature:(i) 0.1M Urea and 0.1M Nacl (ii) 0.1M Urea and 0.2M Mgcl2 (iii) 0.1M Nacl and 0.1M Na2SO4 (iv) 0.1M Ca(NO3<
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Explain how dissolving the Group IV carbonate precipitate with 6M CH3COOH, followed by the addition of extra acetic acid, establishes a buffer with a pH of approximately 5.
order of decreasing basicity of urea and its substituents
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