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Organic Chemistry: Some Basic Principles and Techniques — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryOrganic Chemistry: Some Basic Principles and Techniques5 Marks
Question
  1. Arrange the following according to given property
$\text{CH}_3\stackrel{\oplus \ \ \ }{\text{CH}}_2,\text{C}_6\text{H}_5-\stackrel{\oplus\ \ \ \ }{\text{CH}}_2,(\text{CH}_3)_3\stackrel{\oplus \ \ \ \ }{\text{CH}},$
$\text{CH}_2=\text{CH}-\stackrel{\oplus\ \ \ \ }{\text{CH}}_2$ (decreasing order of stability)
  1. $\text{HC}\equiv\text{C}^{\ominus},\text{Ch}_2=\stackrel{\ominus\ \ \ \ \ \ }{\text{CH}_2},\text{CH}_3-\stackrel{\ominus\ \ \ \ \ }{\text{CH}_2},\stackrel{\ominus \ \ \ \ \ }{\text{CH}_3}$ (increasing order of stabillity)
  2. $\text{C}_6\text{H}_5\stackrel{\bf. \ \ \ \ }{\text{CHCH}_3},\text{C}_6\text{H}_5\text{CH}_2\stackrel{\bf.\ \ \ \ \ }{\text{CH}_2},\text{C}_6\text{H}_5\stackrel{\bf.}{\text{C}}_3(\text{CH}_3)_2$ (increasing order of stabillity)
  3. $\text{CH}_3-\stackrel{\oplus \ \ \ \ }{\text{CH}}-\text{O}-\text{CH}_3,\text{CH}_3-\stackrel{\oplus \ \ \ \ }{\text{CH}},-\text{OCH}_3,$
${\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}}\\{\ \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ \ \ \ \ \ \\ \|}\\\ \text{CH}_3-\stackrel{\oplus \ \ \ \ }{\text{CH}}\text{C}-\text{OCH}_3$ (decreasing order of stability)
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✓

Answer

  1. $\text{C}_6\text{H}_5\stackrel{\oplus \ \ \ }{\text{CH}}_2>\text{C}\text{H}_2=\text{CH}-\stackrel{\oplus\ \ \ \ }{\text{CH}}_2>(\text{CH}_3)_3\stackrel{\oplus \ \ \ \ }{\text{C}}>\text{CH}_3-\stackrel{\oplus \ \ \ \ }{\text{CH}_2}$
  2. $\stackrel{\ominus \ \ \ \ \ }{\text{CH}_3}<\text{CH}_3-\stackrel{\ominus \ \ \ \ \ }{\text{CH}_2}<\text{CH}_2=\stackrel{\ominus \ \ \ \ \ }{\text{CH}}<\text{HC}\equiv\stackrel{\ominus \ \ \ \ \ }{\text{C}}$
  3. $\text{C}_6\text{H}_5\stackrel{\bf. \ \ \ \ }{\text{CH}_2}<\text{C}_6\text{H}_5\stackrel{\bf.\ \ \ \ \ }{\text{CHCH}_3}<\text{C}_6\text{H}_5\stackrel{\bf.}{\text{C}}_3(\text{CH}_3)_2$
  4. $\text{CH}_3-\stackrel{\oplus \ \ \ \ }{\text{CH}}-\text{O}-\text{CH}_3>\text{CH}_3-\stackrel{\oplus \ \ \ \ }{\text{CH}}>\text{CH}_3>\stackrel{\oplus \ \ \ \ }{\text{CH}}$
${\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}}\\{\ \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ \ \ \ \ \ \\ \|}\\\ >\text{CH}_3-\stackrel{\oplus \ \ \ \ }{\text{CH}}\text{C}-\text{OCH}_3$
  1.  

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