One Integer Value Correct TypeDirection (Q. Nos. 22-25) This section c...
Explanation:
Step 1: Analyzing the given compound
- The given compound is trans-3-methylchlorocyclopentane.
- It contains a methyl group (CH3) and a chlorine atom (Cl) attached to a cyclopentane ring.
- The trans configuration indicates that the methyl group and the chlorine atom are present on opposite sides of the ring.
Step 2: Understanding the reaction conditions
- The compound is treated with KOH solution, which is a strong base.
- Under these conditions, two types of reactions can occur: SN2 (substitution nucleophilic bimolecular) and E2 (elimination bimolecular).
Step 3: Identifying possible reaction sites
- The compound contains two reactive sites: the methyl group and the chlorine atom.
- Both of these sites are susceptible to nucleophilic attack or elimination.
Step 4: Considering the SN2 reaction
- In an SN2 reaction, the nucleophile displaces the leaving group, resulting in substitution.
- The chlorine atom is a good leaving group, and the methyl group can act as a nucleophile.
- Therefore, the chlorine atom can be substituted by the methyl group, resulting in the formation of trans-3-methylcyclopentane.
Step 5: Considering the E2 reaction
- In an E2 reaction, a strong base abstracts a proton adjacent to the leaving group, resulting in elimination.
- The chlorine atom is a good leaving group, and the methyl group can act as a base.
- Therefore, the methyl group can abstract a proton from the adjacent carbon, resulting in the formation of cyclopentene.
Step 6: Identifying the total products
- From the SN2 reaction: trans-3-methylcyclopentane (1 substitution product)
- From the E2 reaction: cyclopentene (1 elimination product)
Step 7: Considering the possibility of additional products
- In some cases, the E2 reaction can also result in the formation of a different elimination product, such as trans-3-methylcyclopentene.
- Additionally, the SN2 reaction can result in the formation of a different substitution product, such as cis-3-methylcyclopentane.
Step 8: Counting the total products
- Therefore, in principle, a total of 5 products can be formed: trans-3-methylcyclopentane, cyclopentene, trans-3-methylcyclopentene, cis-3-methylcyclopentane, and the starting compound itself.
Conclusion:
- In principle, a total of 5 substitution and elimination products can be formed when trans-3-methylchlorocyclopentane is treated with KOH solution.