Exchange = To give in return for something received; trade: to give and receive reciprocally; interchange: exchange gifts; exchange ideas; to give up for a substitute; to turn in for replacement.
Synonyms: change, interchange, transfer, replace, substitute.
Example: He exchanged a position in the private sector for a post in government sector.
Usage in Sentence: Exchange for, not to.
Don’t say: He exchanged his collection of coins by some foreign stamps.
ü Say: He exchanged his collection of coins for some foreign stamps.