Question

1)Назовите химические соединения; укажите, к какому классу они относятся: Fe2O3, Fe(OH)3, Fe2(SO4)3, Fe(HSO4)3, FeOHSO4,FeSO47H2O, FeOCl, H2Cr2O7. Назовите ионы: Fe 3+ , FeOH+ , Fe(OH)2+ , HSiO3- . 2. Напишите формулы химических соединений и ионов: фосфат гидроксомарганца (II), гидрокарбонат кальция, сульфат аммония, оксид6 хрома (VI), пентагидрат сульфата меди (II), ион дигидроксохрома (III), дигидрофосфат–ион

Answer 1

Fe2o3- оксид железа (III), оксиды
Fe(oh)3- гидроксид железа (lll),гидроксиды
fe2(so4)3 - сульфат железа(lll), соли
fe(hso4)3- гидросульфат железа(lll), кислая соль
feohso4- гидроксисульфат железа(lll), основная соль
feso4*7h2o- кристаллогидрат сульфата железа(ll), кристаллогидрат
feocl оксихлорид железа(lll), основная соль,
h2cr2o7-дихромовая кислота, кислоты
fe+ - ион железа(l)
feoh+ - ион гидроксида железа(ll)
fe(oh)2- - ион гидроксида железа (lll)
hsio3- - гидроксосиликат-ион

Answer 2

Chemical Compounds and their Classification:

1) The chemical compounds and their classification are as follows:

- Fe2O3: Iron(III) oxide, also known as ferric oxide or rust. It belongs to the class of inorganic compounds. - Fe(OH)3: Iron(III) hydroxide. It belongs to the class of inorganic compounds. - Fe2(SO4)3: Iron(III) sulfate. It belongs to the class of inorganic compounds. - Fe(HSO4)3: Iron(III) bisulfate. It belongs to the class of inorganic compounds. - FeOHSO4: Iron(II) hydrogensulfate. It belongs to the class of inorganic compounds. - FeSO4·7H2O: Iron(II) sulfate heptahydrate. It belongs to the class of inorganic compounds. - FeOCl: Iron(II) oxychloride. It belongs to the class of inorganic compounds. - H2Cr2O7: Dichromic acid. It belongs to the class of inorganic compounds.

[[1]] [[2]] [[3]] [[4]] [[5]] [[6]] [[7]] [[8]]

Ions:

The ions are as follows:

- Fe^3+: Iron(III) ion, also known as ferric ion. - FeOH^+: Iron(II) hydroxide ion. - Fe(OH)2^+: Iron(II) dihydroxide ion. - HSiO3^-: Hydrogensilicate ion.

[[1]] [[2]] [[3]] [[4]]

Chemical Formulas of Compounds and Ions:

The chemical formulas of compounds and ions are as follows:

- Phosphate of hydroxomanganese(II): Mn(OH)PO4 - Calcium hydrogencarbonate: Ca(HCO3)2 - Ammonium sulfate: (NH4)2SO4 - Chromium(VI) oxide: CrO3 - Pentahydrate of copper(II) sulfate: CuSO4·5H2O - Dihydroxochromate(III) ion: Cr(OH)2+ - Dihydrogenphosphate ion: H2PO4^-

[[1]] [[2]] [[3]] [[4]] [[5]] [[6]]