Molecular Weight: 36.46. Consider the synthesis below. Clemmensen Reduction of aldehydes and ketones by Zn(Hg), HCl. C=O group of aldehydes and ketones is reduced to -CH 2-group by clemmensen reduction. A balanced reaction of Fe metal with hydrochloric acid, HCl (aq), is written below: Fe (m) + 3 HCl (aq) → FeCl 3 (aq) + 3/2 H 2 (g) In this reaction, each mole equivalent of Fe metal generates 1.5 mole equivalents of H 2 gas. A new reagent 2-(2,3-dihydroxy-4-oxocyclobut-2-enylidene) hydrozinecarbothiamide has been synthesized and used for developing a simple spectrophotometric method for the determination of Fe(III) which is based on a 2 : 1 complex formation between Fe(III) and new reagent in aqueous solution. CAS Number: 7647-01-0. 1) Fe 3+ + H 2 O 2 → Fe 2+ + HOO• + H + (2) 2 H 2 O 2 → HO• + HOO• + H 2 O (net reaction: 1+2) The free radicals generated by this process then engage in secondary reactions. This problem has been solved! The best reagent for the reduction of NO2 group to NH2 group is heterogeneous catalytic reduction using H2/Pt in acetic acid. For example, the hydroxyl is a powerful, non-selective oxidant. Show transcribed image text. Zinc amalgam and concentrated hydrochloric acid ( Zn(Hg) / concentrated HCl ) is used as the reagent for clemmensen reduction. Silica gel, sequentially modified with polyhexamethylene guanidine and pyrocatechin-3,5-disulfonic acid (Tiron), was suggested for sorption separation and determination of Fe(III) and Fe(II). What is reagent A? It was found that quantitative extraction of Fe(III) and its separation from Fe(II) were attained at pH 2.5–4.0, while quantitative extraction of Fe(II) was observed at pH 6.0–7.5. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. What Is Reagent A? Expert Answer 100% (2 ratings) Previous question Next question Transcribed Image Text from this Question. A) Br_2, FeBr_3 B) Fe, HCl: Then OH^- C) NH_2CI, AlCl_3 D) H_3PO_2 E) LiNH_2. Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3; KMnO 4 + HCl = KCl + MnCl 2 + H 2 O + Cl 2; K 4 Fe(CN) 6 + H 2 SO 4 + H 2 O = K 2 SO 4 + FeSO 4 + (NH 4) 2 SO 4 + CO; C 6 H 5 COOH + O 2 = CO 2 + H 2 O Disodium tetracarbonylferrate is the organoiron compound with the formula Na 2 [Fe(CO) 4].It is always used as a solvate, e.g., with tetrahydrofuran or dimethoxyethane,. Al (m) reacts with HCl in the same mole ratio, generating H 2 and AlCl 3. CH 3 CH 2 OH. See the answer. which bind to the sodium cation.