In this task, you are to Translate German text to English
Q: Hydroxysilan der Formel (I), wobei n für 1 oder 2 steht.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Hydroxysilane of formula (I), where n is 1 or 2.