J’accroche ma veste à un cintre dans la penderie près de la chambre.

Because je becomes j’ before a vowel sound. This is called elision.

So:

• je accroche → j’accroche
• je aime → j’aime
• je habite → j’habite

French does this to make pronunciation smoother.

Here, accrocher means to hang or to hang up.

It can also have other meanings in other contexts, such as:

• to hook
• to attach
• to catch/snare
• sometimes even to engage interest

But in this sentence, it simply means putting the jacket onto something so it hangs.

It is the present tense.

J’accroche can mean:

• I hang my jacket
• I am hanging my jacket

French present tense often covers both the simple present and the present progressive that English separates.

So the exact English translation depends on context.

Because veste is a feminine noun in French.

So the possessive adjective must also be feminine singular:

• mon for masculine singular nouns
• ma for feminine singular nouns
• mes for plural nouns

Examples:

• mon manteau = my coat
• ma veste = my jacket
• mes chaussures = my shoes

A useful extra note: before a feminine noun that starts with a vowel sound, French often uses mon instead of ma for ease of pronunciation, as in mon amie.

In this sentence, à helps show what the jacket is being hung on or onto.

With accrocher, French often uses à to express attachment:

• accrocher quelque chose à quelque chose = to hang/attach something on/to something

So:

• J’accroche ma veste à un cintre
  = I hang my jacket on a hanger

That said, learners should know that French speakers may also say things like mettre une veste sur un cintre, especially when focusing on placing the item onto the hanger rather than attaching it.

Because un cintre means a hanger: one unspecified hanger.

French uses:

• un / une for a / an
• le / la / les for the

So:

• à un cintre = on a hanger
• au cintre or au le cintre would not work here in the same way

If you were talking about a specific hanger already known in the conversation, then le cintre might make sense in a different sentence.

La penderie is a place where clothes are hung up.

Depending on context, it can mean:

• a wardrobe
• a closet
• the hanging section of a wardrobe or closet

It is more specific than a general storage space because it suggests a place for hanging clothes.

Related words:

• placard = cupboard / closet
• armoire = wardrobe
• penderie = hanging clothes area / wardrobe space

So dans la penderie suggests the jacket is being hung in the clothes-hanging area.

Because dans means in/inside, which fits a physical space like a wardrobe or closet.

So:

• dans la penderie = in the wardrobe / inside the closet

French commonly uses dans for being inside an enclosed space:

• dans la chambre = in the bedroom
• dans le placard = in the cupboard
• dans la penderie = in the wardrobe/closet

Près de means near.

It is a fixed expression:

• près de
  • noun

So:

• près de la chambre = near the bedroom

Why de la?

Because près is followed by de, and chambre is feminine singular, so its article is la:

• près de la chambre
• près du salon for a masculine noun (de + le = du)
• près des fenêtres for plural (de + les = des)

Most naturally, it describes la penderie:

• the wardrobe/closet near the bedroom

That is because it comes right after la penderie, so readers usually connect it to that noun first.

So the sentence is most likely understood as:

• I hang my jacket on a hanger in the wardrobe that is near the bedroom.

In real conversation, context decides everything, but grammatically that is the most natural reading.

French uses articles much more often than English.

In English, you might sometimes say:

• near the bedroom

French normally needs the article:

• près de la chambre

You cannot usually drop it and say près de chambre here.

This is a very common difference between French and English: French often requires an article where English might use none.

A rough pronunciation guide is:

zhah-krosh ma vest ah uh(n) santr dah(n) la pahn-dree preh duh la shahmbr

A few points:

• J’ sounds like the s in measure
• accroche has a strong French r
• un has a nasal vowel, not a clear English n
• dans is also nasal
• près sounds like preh
• chambre ends with a soft consonant cluster; the final e is not pronounced

If you are learning pronunciation, it is best to listen to native audio, because nasal vowels and the French r are hard to capture exactly in English spelling.

Possibly, yes.

This sentence is correct and understandable, but depending on region and context, a French speaker might also say something like:

• Je mets ma veste sur un cintre dans la penderie.
• Je suspends ma veste dans la penderie.

Why?

• mettre = to put
• suspendre = to hang/suspend

Sometimes mettre sur un cintre feels especially natural when talking about putting clothes onto a hanger.

So your sentence is good French, but it is useful to know there are other natural ways to express the same idea.