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4^(@) hydrogen is not possible, give reasons…..

Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a> has <a href="https://interviewquestions.tuteehub.com/tag/four-464592" style="font-weight:bold;" target="_blank" title="Click to know more about FOUR">FOUR</a> covalent bond.<br/>Centre carbon is attach with other four carbon and so there is no valence for attachement of <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a><br/>`1^(@), 2^(@)` and `3^(@)` carbon are stable but `4^(@)` carbon is unstable.<br/>Free <a href="https://interviewquestions.tuteehub.com/tag/radical-616075" style="font-weight:bold;" target="_blank" title="Click to know more about RADICAL">RADICAL</a> is formed with `4^(@)` carbon.</p>Solution :Centre carbon is attach with other four carbon and so there is no valence for attachement of hydrogen</body></html>


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