Modern inorganic chemistry

216 GROUPV (since the pressure is high) and the unconverted hydrogen and nitrogen are returned to the inlet and passed again ove ...

GROUPV 217 facts at one time made use of in refrigeration employing ammonia. The great solubility of ammonia in water (1 volume ...

218 GROUPV Ammonia as a base. The ammonia molecule has a powerful affinity for protons and hence. ammonia gas will react with g ...

Ammonia. 219 -Glass lube -Gloss wool •Cork Oxygen Oxygen inlet Gas out let Platinum wire- Cork Concentrated ammonia solution Asb ...

220 GROUP V Using the apparatus shown in Figure 9.3 it can be shown that ammonia gas will burn in chlorine gas, the ignition bei ...

GROUP V 221 Liquid ammonia. This can be prepared by compressing ammonia gas. It has a boiling point of 240 K and is an excellent ...

222 GROUPV (NH 4 ) 2 Cr 207 -* N 2 + 4H 2 O + Cr 2 O 3 NH 4 NO 3 -» N 2 O + 2H 2 O The mixture of ammonium nitrate and powdered ...

GROUP V 223 and is very susceptible to explosive decomposition. Hence the proper- ties studied are those of the hydroxyammonium ...

224 GROUP V above the surface (or it can be immersed if a high current density is used). The Raschig process—the reaction of amm ...

GROUP V 225 Hydrazoic acid behaves as both an oxidising and reducing agent in solution. Thus it will oxidise hydrochloric acid t ...

226 GROUPV Properties Phosphine is a colourless gas at room temperature, boiling point 183K, with an unpleasant odour; it is ext ...

GROUPV 227 atom or ion can "back-donate' electrons from its d orbitals into the vacant d orbitals of the phosphorus -this is not ...

228 GROUPV OXIDES The principal oxides formed by Group V elements and their formal oxidation states are given below: Element O ...

GROUP V 229 the molecule being linear; in this respect it resembles the isoelec- tronic molecule of carbon dioxide, O=C=O. There ...

230 GROUPV elements at high temperature or in the presence of an electric dis- charge (p. 211). It can be prepared in the labora ...

GROUPV 231 unstable compound sodium dioxodinitrate(I) (hyponitrite). Na 2 N 2 O 2 [i.e. Naf+(NO~) 2 ] is formed. In addition to ...

232 GROUP V 00 Os .0 \ X \ ^ N---N and N— N All the N — O bonds are of equal length. The two oxides, NO 2 and N 2 O 4 , exist in ...

GROUPV 233 NO 2 + H 2 S -> NO 4- H 2 O 4- Sj NO 2 4- 21" 4- H 2 O -» NO + I 2 + 2OH" Strong oxidising agents such as acidifie ...

234 GROUP V DINITROGEN TR1OX1DE. N 2 O 3 Dmitrogen trioxide, the anhydride of nitrous acid is very unstable, At low temperature ...

GROUPV 235 Phosphorus(III) oxide reacts slowly with oxygen at ordinary temperatures to give the pentoxide, P 4 Oi 0. The reactio ...