Which of the following represents correct variation of the property indicated(a) BP of C2 H5 Br C2 H5 I C2 H5 Cl(b) MP of(c) BP ofp - C6 H4Cl 2 m − C6 H4Cl 2 o − C6 H4Cl 2o − C6 H4Cl 2 p − C6 H4Cl 2 m − C6 H4Cl 2(d) BP of CH 3CH 2CH 2CH 2 Br C(CH 3 )3 Br CH 3CH 2 - CH - CH 3Br
Question
Which of the following represents correct variation of the property indicated(a) BP of C2 H5 Br C2 H5 I C2 H5 Cl(b) MP of(c) BP ofp - C6 H4Cl 2 m − C6 H4Cl 2 o − C6 H4Cl 2o − C6 H4Cl 2 p − C6 H4Cl 2 m − C6 H4Cl 2(d) BP of CH 3CH 2CH 2CH 2 Br C(CH 3 )3 Br CH 3CH 2 - CH - CH 3Br
Solution
The question seems to be asking about the boiling point (BP) and melting point (MP) variations of different organic compounds. However, the question is not clear. Here's a general explanation of how these properties vary:
(a) The boiling point of organic compounds generally increases with increasing molecular weight and complexity. So, C2H5Br would have a higher boiling point than C2H5I and C2H5Cl.
(b) The melting point of organic compounds also generally increases with increasing molecular weight and complexity. However, the question does not specify the compounds to compare.
(c) The boiling point of isomers (compounds with the same molecular formula but different structures) can vary depending on the positioning of the functional groups. In this case, the dichlorobenzene isomers (p-C6H4Cl2, m-C6H4Cl2, o-C6H4Cl2) would have different boiling points. However, without specific data, it's hard to say which one would have the highest or lowest boiling point.
(d) The boiling point of organic compounds can also be affected by the branching of the carbon chain. In general, more branching leads to a lower boiling point. So, CH3CH2CH2CH2Br would likely have a higher boiling point than C(CH3)3Br and CH3CH2-CH-CH3Br.
Please provide more specific information or clarify the question for a more accurate answer.
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