Answer:
See explanation
Explanation:
(a) aluminum sulfate:
⇒ Al^3+ has oxidation number +3
⇒ SO4^2- has oxidation number -2
→ Al2(SO4)3
(b) ammonium dichromate:
⇒ NH4^+ has oxidation number +1
⇒ Cr2O7^2- has oxidation number -2
→ (NH4)2Cr2O7
(c) silicon tetrafluoride:
⇒ Si^4+ has oxidation number of +4
⇒ F- has an oxidation number of -1
→ SiF
(d) iron(III) oxide:
⇒ Fe^3+ has an oxidation number of +3
⇒ O has an oxidation number of -2
→ Fe2O3
(e) tricarbon disulfide:
→ C3S2
(f) cobalt(II) nitrate:
⇒ C has an oxidation number of +2
⇒ NO3- has an oxidation number of -1
→C(NO3)2
(g) strontium nitrite:
⇒ NO2- has an oxidation number of -1
⇒ Sr has an oxidation number of +2
→Sr(NO2)2 (N2O4Sr)
(h) hydrobromic acid:
⇒ H+ has an oxidation number of +1
⇒ Br- has an oxidation number of -1
→HBr
(i) iodic acid:
⇒ H+ has an oxidation number of +1
⇒ IO3- has an oxidation number of -1
→HIO3
(j) phosphorus dichloride trifluoride:
⇒ P has an oxidation number of +5
⇒ F has an oxidation number of -1
⇒ Cl has an oxidation number of -1
→PF3Cl2
