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Physical properties of Benzaldehyde
(a) It is a colourless oily liquid. The boiling point of it is 179° C.
(b) Benzaldehyde has smell of bitter almonds.
(c) Benzaldehyde is sparingly soluble in water but highly soluble in organic solvents.
(d) Benzaldehyde is steam volatile.
(e) Benzaldehyde is heavier than water (sp. gr. 1.0504 at 15° C).
(f) Benzaldehyde is poisonous in nature.
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The atomic number of an element having the valency shell electronic configuration 4s 2 4p 6 is: (1) 35 (2) 36 (3) 37 (4) 38 Ans: 35
how to calculate equevalent mass
Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
formula of calcium oxide
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The Bohr orbit radius for the hydrogen atom (n=1) is approximately 0.530 Å . The radius for the first excited state (n=2) orbit is: (1) 0.13Å
The diffusion current for a standard 1 x 10-4 M solution of hydroquinone is found to be 17.5 µA. An unknown solution of hydroquinone, when diluted tenfold and analysed under simila
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Q. Explain about Dihalide? Dihalides: Dichlorides and dibromides are formed by the lower members of the group, viz., Se, Te and Po. These are formed mainly by dissociation of t
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