ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Îª·ÀÖÎÎíö²£¬Éè¼ÆÈçÏÂÁ÷³ÌÎüÊÕ¹¤ÒµÎ²ÆøSO2ºÍNO£¬Í¬Ê±»ñµÃÁ¬¶þÑÇÁòËáÄÆ(Na2S2O4£¬Æä½á¾§Ë®ºÏÎïÓֳƱ£ÏÕ·Û)ºÍNH4NO3²úÆ·£¬ÒԱ䡰·Ï¡±Îª±¦¡£
ÏÂÁÐ˵·¨´íÎóµÄÊÇ
A.S2OÖмȴæÔڷǼ«ÐÔ¼üÓÖ´æÔÚ¼«ÐÔ¼ü
B.×°ÖÃIµÄ×÷ÓÃÊÇÎüÊÕSO2£¬×°ÖÃIIµÄ×÷ÓÃÊÇÎüÊÕNO
C.±£ÏÕ·Û¿Éͨ¹ý×°ÖâóÖÐÑô¼«²úÎïÖƱ¸£¬Ce4£«´ÓÒõ¼«¿ÚÁ÷³ö»Øµ½×°ÖÃIIÑ»·Ê¹ÓÃ
D.Ñõ»¯×°ÖÃIVÖÐ1L 2molL£1NO£¬ÖÁÉÙÐèÒª±ê×¼×´¿öÏÂ22.4LO2
¡¾´ð°¸¡¿C
¡¾½âÎö¡¿
¸ù¾ÝÁ÷³Ì·ÖÎö¿ÉÖª£¬×°ÖâñÖмÓÈëNaOHÈÜÒº£¬¿É·¢Éú·´Ó¦SO2+OH-=ÎüÊÕSO2£¬×°ÖâòÖмÓÈëCe4+£¬ËáÐÔÌõ¼þÏ£¬NOÓëCe4+·¢ÉúÑõ»¯»¹Ô·´Ó¦Éú³ÉºÍ£¬Ce4+±»»¹ÔΪCe3+£¬×°Öâó(µç½â²Û)ÖÐÑô¼«·¢Éú·´Ó¦Ce3+-e-=Ce4+£¬Ce4£«´ÓÑô¼«¿ÚÁ÷³ö»Øµ½×°ÖÃIIÑ»·Ê¹Óã¬Òõ¼«·¢Éú·´Ó¦2+2H++2e-=+2H2O£¬½ø¶øµÃµ½±£ÏÕ·ÛNa2S2O4£¬×°ÖâôÖб»O2Ñõ»¯Îª£¬ÓëNH3µÃµ½NH4NO3£¬¾Ý´Ë·ÖÎö½â´ð¡£
A£®ÖÐSÔ×ÓÓëOÔ×ÓÐγɼ«ÐÔ¼ü£¬SÔ×ÓÓëSÔ×ÓÐγɷǼ«ÐÔ¼ü£¬AÑ¡ÏîÕýÈ·£»
B£®¸ù¾ÝÉÏÊö·ÖÎö¿ÉÖª£¬×°ÖâñÖмÓÈëNaOHÈÜÒº£¬¿É·¢Éú·´Ó¦SO2+OH-=ÎüÊÕSO2£¬×°ÖâòÖмÓÈëCe4+£¬ËáÐÔÌõ¼þÏ£¬NOÓëCe4+·¢ÉúÑõ»¯»¹Ô·´Ó¦Éú³ÉºÍ£¬¿ÉÎüÊÕNO£¬BÑ¡ÏîÕýÈ·£»
C£®×°Öâó(µç½â²Û)ÖÐÑô¼«·¢Éú·´Ó¦Ce3+-e-=Ce4+£¬Ce4£«´ÓÑô¼«¿ÚÁ÷³ö»Øµ½×°ÖÃIIÑ»·Ê¹Óã¬CÑ¡Ïî´íÎó£»
D£®×°ÖâôÖб»O2Ñõ»¯Îª£¬NÔªËØ»¯ºÏ¼ÛÓÉ+3¼ÛÉý¸ßÖÁ+5¼Û£¬OµÄ»¯ºÏ¼ÛÓÉ0¼Û½µµÍÖÁ-2¼Û£¬Ñõ»¯×°ÖÃIVÖÐ1L 2molL-1(2mol)NO£¬ÔòתÒÆ4molµç×Ó£¬ÏûºÄ1molO2£¬¼´ÐèÒª±ê×¼×´¿öÏÂ22.4LO2£¬DÑ¡ÏîÕýÈ·£»
´ð°¸Ñ¡C¡£