निम्नलिखित अभिक्रिया में विरचित मुख्य उत्पाद है
F3 Vinanti Teaching 29.05.23 D119

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CSIR-UGC (NET) Chemical Science: Held on (15 Dec 2019)
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  1. F3 Vinanti Teaching 29.05.23 D120
  2. F3 Vinanti Teaching 29.05.23 D121
  3. F3 Vinanti Teaching 29.05.23 D122
  4. F3 Vinanti Teaching 29.05.23 D123

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Option 2 : F3 Vinanti Teaching 29.05.23 D121
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संप्रत्यय:

यह अभिक्रिया E2 क्रियाविधि से गुजरती है जिसमें C-H σ बंध का C-X σ* प्रतिबंधी कक्षक के साथ अतिव्यापन नए π बंध के निर्माण में परिणाम देता है। प्रभावी अतिव्यापन के लिए दोनों कक्षक एक ही तल में स्थित होने चाहिए।

व्याख्या:

अभिक्रिया की क्रियाविधि नीचे दी गई है;
F3 Vinanti Teaching 29.05.23 D124
निष्कर्ष:

इसलिए सही उत्तर विकल्प (2) है।

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