Chemistry · PYQ NEET UG 2025

The major product of the following reaction is : \( \begin{array}{c} \text{O} \\ \parallel \\ \text{C-CH}_2-\text{CN} \end{array} \xrightarrow[\text{(ii) } \text{H}_3\text{O}^+]{\text{(i) } \text{CH}_3\text{MgBr (excess)}} \)

1. A
   \( \begin{array}{c} \text{OH} \\ | \\ \text{C}-\text{CH}_2-\text{CN} \\ | \\ \text{CH}_3 \\ \text{O} \end{array} \)
2. B
   \( \begin{array}{c} \text{OH} \\ | \\ \text{C}-\text{CH}_2-\text{CH}_2-\text{C}-\text{CH}_3 \\ | \\ \text{CH}_3 \\ \text{O} \end{array} \)
3. C
   \( \begin{array}{c} \text{OH} \\ | \\ \text{C}-\text{CH}_2-\text{C}-\text{CH}_3 \\ | \quad \quad | \\ \text{CH}_3 \quad \text{OH} \\ \quad \quad \text{CH}_3 \end{array} \)
4. D
   \( \begin{array}{c} \text{O} \\ \parallel \\ \text{C}-\text{CH}_2-\text{CH}_2-\text{C}-\text{CH}_3 \\ | \\ \text{CH}_3 \end{array} \)