Modern inorganic chemistry

176 GROUP IV in silicon, 226kJmol~^1 ) and catenation (the phenomenon of self- linkage between atoms of the same element) is con ...

GROUP IV 177 reaction of lithium aluminium hydride and tin(IV) chloride in ether: LiAlH 4 + SnCl 4 -> SnHJ -h LiCl| -h A1C1 3 ...

178 GROUP IV (p. 398) reacts with carbon monoxide in preference to oxygen so preventing the haemoglobin from acting in its norma ...

GROUP IV 179 Full sp carbon hybrid orbital \ \ ^ ^ \ / ^ ^ Singly-filled p orbita Is on oxygen Singly- fil led p orbital on carb ...

180 GROUP IV (phosgene). COCl 2. is formed : CO + C1 2 -> COCK ^Vith ammoniacal or hydrochloric acid solution of copper(I) ch ...

GROUP IV 181 being used by some large industrial organisations but others use petroleum from a refinery. The second stage in the ...

182 GROUP IV the bottom of towers or wells in which it is being prepared, and may reach dangerous concentrations there. (Carbon ...

GROUP IV 183 CARBONIC ACID AND CARBONATES The following equilibria apply to a solution of carbon dioxide in water : CO 2 + H 2 O ...

184 GROUP IV 12 10 8 6 4 2 H*-** HCOj HC0 3 + hr-**H 2 C03 Excess O 20 40 60 80 IOO cm^3 of 0-1M hydrochloric acid Figure 8.4. T ...

GROUP IV 185 I H III O" O O~ O= All the carbon-oxygen bonds are found to be of equal length and intermediate between carbon-oxyg ...

186 GROUP IV there is evidence for SiO in the gaseous state. On cooling, a brown powder is obtained which rapidly disproportiona ...

GROUP IV 187 and to resist chemical attack. It is also used for certain optical plates and lenses, since it transmits ultra-viol ...

188 GROUP IV The zeolites are aluminatesilicates, having large, open-structured anions and balancing cations. Because of the ope ...

GROUP IV 189 raised (Jena glass) and the use of lithium gives added strength; replacement of calcium by lead gives a higher refr ...

190 GROUP IV chloride is passed over a copper-silicon mixture at about 600 K, but they can be prepared by other methods. Hydroly ...

GROUP IV 191 and can be cooled without becoming too viscous (hydrocarbon oils become viscous on cooling); hence silicone oils ar ...

192 GROUP IV The anhydrous oxide is obtained by ignition of the hydrated oxide produced. Germanium(IV) oxide is less acidic than ...

GROUP IV 193 hydrated oxide obtained when metallic tin reacts with concentrated nitric acid: Sn + 4HNO 3 -> SnO 2 i + 4NO 2 t ...

194 GROUP IV LEAD(IV) OXIDE, PbO 2 Lead(IV) oxide can be prepared by the action of an alkaline chlorate(I) solution on a solutio ...

GROUP IV 195 DILEAD(I1)LEAD(1V) OXIDE, 'RED LEAD', Pb 3 O 4 Red lead is a brilliant red powder obtained by heating lead mon- oxi ...