jng

jng ke bhinn rang
jng khaati relagaadi

jng kai bhinn prakaar ki lohe ki oksaaidon (yaani lohe aur okseejan ke raasaayanik yaugik) ka naam hai. aam bhaasha mein ise laal aur naarangi rang ke un padaarthon ke liye prayog kiya jaata hai jo paani ya hava ki maujoodagi mein lohe aur okseejan ki raasaayanik abhikriya (reeaikshan) se ban jaate hain. lohe ke sankshaaran (korojhn) mein jng ki aham bhoomika hai.

jng banane ki raasaayanik kriya

agar shuddh loha (raasaayanik chinh: Fe) shuddh paani (H2O) ya shuddh okseejan (O2) ke sampark mein ho to jng naheen banta. usaki bajaae lohe aur okseejan mein abhikriya (reeaikshan) se ek loh oksaaid ki patali parat ban jaati hai jo kas kar lohe se chipkakar usako poori tarah dhak leti hai. is parat ko nishkreeya parat (paisiviti leyar) kaha jaata hai. is parat ke andar ka loha surakshit rahata hai. lekin salfr daayaoksaaid (SO2), kaarban daayaoksaaid (CO2) ya anya ashuddhiyon ki upasthiti mein yeh parat jng ka roop dhaaran kar leti hai jo lohe se chipkata naheen balki alag chhilne lagta hai. is se andar ka loha baar-baar baahari tatvon se sampark mein aa jaata hai aur vah bhi jng banta rahata hai.[1] isi kriya ko aam boli mein "jng khaana" kehte hain.

inhein bhi dekhein

  • loha
  • sankshaaran (korojhn)

sandarbh

  1. Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.