Which of the following is the structure of the most stable enol form of 2-methylpentan-3-one?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1a.png"><img alt="The following is structure of most stable enol form of 2-methylpentan-3-one - option a" class="alignnone size-full wp-image-224642" height="99" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1a.png" width="115"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1b.png"><img alt="The following is structure of most stable enol form of 2-methylpentan-3-one - option b" class="alignnone size-full wp-image-224643" height="96" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1b.png" width="112"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1c.png"><img alt="The following is structure of most stable enol form of 2-methylpentan-3-one - option c" class="alignnone size-full wp-image-224644" height="97" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1c.png" width="92"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1d.png"><img alt="The following is structure of most stable enol form of 2-methylpentan-3-one - option d" class="alignnone size-full wp-image-224645" height="86" src="https://www.sanfoundry.com/wp-content/uploads/2018/08/organic-chemistry-questions-answers-enolates-q1d.png" width="111"/></a>