This question is word problem of organic chemistry. The question is provided below:
Each of the compounds below is treated separately with excess NaBH4. The product of each reaction is then heated with excess concentrated H2SO4. In each case, one or more products are formed with molecular formula C7H10. Which compounds give only one final product with the molecular formula C7H10?
Solution:
Compound 2 and 3 give the same product.
Here is the reaction for the above given compounds: