4-NAZORAT ISHI.
1.H2SO4, AlPO4, NaCl ushbu moddalardagi barcha elementlarni oksidlanish darajalarini yozing.
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2. Quyidagi reaksiya tenglamasini electron –balans usulida tenglashtiring.
Cu+HNO3(suyl)=Cu(NO3)2+NO+H2 O
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3.Mn+2oksidlanish darajasidan Mn+5 oksidlanish darajasiga o’tganda (Mn+2→Mn+5) electron beradimi? Yoki oladimi?Qanday xususiyatni namoyon qiladi?
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4.Oksidlanish darajasi nima?
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5. Nafas olish jarayonimiz oksidlanish qaytarilish reaksiyasining qaysi turiga kiradi? Reaksiya tenglamasi asosida tushuntiring.
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Baho________ O`qituvchi: _______ _____________________
5-Nazorat ishi.
1.Cl atomining electron konfiguratsiyasini yozing.
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2.2,45gr KBr tarkibidagi Br ni to’liq siqib chiqarishi uchun (n.sh.da)o’lchangan necha l xlor kerak?
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3.HBr ning He ga nisbatan zichligini toping.
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4.122,5 gr Bertoli tuzidan necha mol kislorod olish mumkin?
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5.Asab kasaliklarida, uyqusizlikda shifokor tomonidan berilgan dorilar tarkibida galogenlardan qaysi biri uchraydi?
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Baho________ O`qituvchi: _______ _____________________
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