1,4-Dibromobenzene melts at a considerably higher temperature than the 1,2- and 1,3-isomers. This melting-point difference is consistent with the molecular symmetry, as described by Carnelley's rule, and with the frequency of Br...Br halogen bonds. The lowest melting point of 1,3-di...
Out of o- and p-dibromobenzene which one has higher melting point and why? View Solution Assertion : Diamond is the hardest substance on the earth. Reason : It has high melting point. View Solution Exams IIT JEE NEET UP Board Bihar Board ...
For a mixture, the initial melting point is close to the melting point of the lightest compound in the mixture, while the initial freezing point is close to the freezing point (or melting point) of the heaviest compound in the mixture. Since the melting point increases with molecular weight,...
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Melting point of normal substance increases as the applied pressure is increased. Table 1 shows dP/dT values for the melting curves of various substances (1). FIG. 1 illustrates the principle of operation of a new heat engine utilizing a non-aqueous and normal S/L type medium. FIG. 2 ...
4-dibromobenzene, 1-bromo-4-iodobenzene, 4-bromoacetophenone, (4-bromophenyl)-ethyl ketone, 4-bromoacetanilide, 4-bromophenylcarbamic acid ethyl ester, 1-bromo-4-chlorobenzene, 4-bromobiphenyl-4'-carboxylic acid methyl ester, 4-bromobiphenyl-4'-carboxylic acid ethyl ester, 4-bromobiphenyl-4...
To determine which element, sodium or potassium, has a higher melting point, we can follow these steps:Step 1: Identify the melting points of sodium and potassium. - Sodium has a melting point of 371 Kelvin. - Potassium has a m