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In the following reaction : Aldehyde + Alcohol ⎯ ⎯ → ⎯ HCl Acetal Aldehyde Alcohol HCHO tBuOH CH 3 CHO MeOH The best combination is

1. CH 3 CHO and MeOH
2. HCHO and MeOH
3. CH 3 CHO and tBuOH
4. HCHO and tBuOH

Correct answer: HCHO and MeOH

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