Four Patterns Can Be Noted for Certain Organic Reactions;

question 32

Multiple Choice

Four patterns can be noted for certain organic reactions;
Pattern 1: Add a proton.
Pattern 2: Take a proton away.
Pattern 3: Reaction between an electrophile and nucleophile to form a new covalent bond.
Pattern 4: Reaction of proton donor with a carbon to carbon double bond to from a new covalent bond.
-To which pattern does the following reaction belong?

• A) 1
• B) 2
• C) 3
• D) 4