ocr: ch 112 final 1987 page 6 41. wich of the folloing 1s very soluble In weterl Caso, (b) Cabr, (c) Caco, (d) Cas 42. The compound of which P4% is the anhydride is: (a) HPO, (b) Mpray fe) ",Po, (d) M,P0, 4). The broun gas formed when HNO, is reduced by metals is: Ms (b) M2° (Ic) NO2 (d) NO 44. Sodlum is not ordinarily observed in the 2+ oxidatlon state because of its: high first Tonization potential (c) large ionle radlus high second ionization potential (d) hlgh alectronegativity 45. An ester may react with water (and an acid catalyst) to produce: an alcohol and an organic acld 11 an ether (c) an ...