Modern inorganic chemistry

INDEX 451
Halides
complex, 345
covalent, 344
ionic, 343
preparation, 342, 343
tests for, 348-350
Halogens, see separate elements
Head element, 14
Helium
occurrence and isolation, 354, 355
properties, 353, 354
uses, 357
Herschel, 428
Hexafluorosilicic acid, 196
Hooker cell, 130
Hydrazine, 223, 224
Hydrazoic acid, 224, 225
Hydride ion, 89
Hydrides, 114, 115
complex, 115
interstitial, 368
Hydrogen
atom, 55
atomic, 116
bonding, 43, 52-54, 57, 184, 270, 327
electrode, 97, 98
manufacture, 180
molecule, 55
non-metals, 113, 114
reactions with chlorine, 71, 72, 321
tests for, 117
Hydrogen bromide, 332, 333
Hydrogen chloride, 71, 80, 87, 88, 327
aqueous, 331
formation, 330, 331
uses, 332
Hydrogen fluoride, 53, 73, 87, 88, 114
preparation, 329
properties, 329, 330
uses, 330
Hydrogen halides, 72, 326-334
Hydrogen iodide, 321, 333, 334
Hydrogen peroxide
formation, 277
preparation, 278
properties, 279
tests, 281
uses, 281,282
Hydrogen sulphide
preparation, 282
properties, 282-284
tests, 284
Hydrogencarbonates, 132-134, 183-185

Hydrogensulphates, 303, 304

Hydrogensulphites. 293. 294

Hydrolysis, 45, 46, 270, 272

Hydroxylamine, 222, 223

kHypo\ 294

Ice, 53

Ilmenite, 369

Indium, 144,158

Interhalogen compounds, 345, 346

lodic(I) acid and salts, 338

lodic(V) acid and salts, 339, 340

lodic(VII) acid and salts, 342

Iodine

occurrence and extraction, 319, 320

oxides, 327

oxoacids, 337-342

properties, 310-316, 320

reactions, 320-326

tests, 349

uses, 348

Ion-exchange, 275

chromatography, 441

Ionic

bond, 28-36

lattice, 27

radius, 29, 35

lonisation energy, 15-17, 29-32, 97

Iron

chemical properties, 392, 393

complexes, 395, 397, 398

compounds, 393-397

occurrence and extraction, 391

oxidation states, 362

physical properties, 360, 361

pyrites, 261-391

refining, 392

rusting of, 398-400

tests, 400

uses, 391,392

Jeweller's rouge, 395

Kaolin, 188

Kellner-Solvay cell, 136

Kelp, 319

Kernite, 142

Kieselguhr, 186

Krypton

occurrence and isolation, 355

properties, 353, 354

uses, 357