ÌâÄ¿ÄÚÈÝ
5£®ÏÂÁÐÓÉʵÑéÏÖÏóµÃ³öµÄ½áÂÛÕýÈ·µÄÊÇ£¨¡¡¡¡£©²Ù×÷¼°ÏÖÏó | ½áÂÛ | |
A | ÏòµÈÌå»ýµÈŨ¶ÈµÄH2O2ÈÜÒºÖзֱð¼ÓÈë5µÎµÈŨ¶ÈµÄCuSO4ºÍKMnO4ÈÜÒº£¬¹Û²ìÆøÌå²úÉúµÄËÙ¶È | ±È½ÏCuSO4ºÍKMnO4µÄ´ß»¯Ð§¹û |
B | ÏòijÈÜÒºÖеμÓÂÈË®ºóÔÙ¼ÓÈëKSCNÈÜÒº£¬ÈÜÒº³ÊºìÉ«£® | ÈÜÒºÖÐÒ»¶¨º¬ÓÐFe2+ |
C | ²â¶¨µÈŨ¶ÈµÄHCOOKºÍK2SÈÜÒºµÄpH | ±È½ÏKa£¨HCOOH£© ºÍKa2£¨H2S£©µÄ´óС |
D | C2H5OHÓëŨÁòËá»ìºÏºó¼ÓÈȵ½170¡ãC£¬ÖƵõÄÆøÌåʹËáÐÔKMnO4ÈÜÒºÍÊÉ« | Ò»¶¨ÊÇÖƵõÄÒÒϩʹËáÐÔKMnO4ÈÜÒºÍÊÉ« |
A£® | A | B£® | B | C£® | C | D£® | D |
·ÖÎö A£®¸ßÃÌËá¼ØÑõ»¯¹ýÑõ»¯Ç⣻
B£®²»ÄÜÅųýFe3+µÄÓ°Ï죻
C£®ËáÔ½Èõ£¬¶ÔÓ¦µÄÑÎË®½â³Ì¶ÈÔ½´ó£»
D£®ÒÒ´¼Ò²±»¸ßÃÌËá¼ØÑõ»¯£®
½â´ð ½â£ºA£®¸ßÃÌËá¼ØÑõ»¯¹ýÑõ»¯Ç⣬²»ÊÇ´ß»¯×÷Ó㬹ÊA´íÎó£»
B£®ÏȼÓÈëÂÈË®£¬²»ÄÜÅųýFe3+µÄÓ°Ï죬ӦÏȼÓÈëKSCNÈÜÒº£¬¹ÊB´íÎó£»
C£®ËáÔ½Èõ£¬¶ÔÓ¦µÄÑÎË®½â³Ì¶ÈÔ½´ó£¬Ôòͨ¹ýµÈŨ¶ÈµÄHCOOKºÍK2SÈÜÒºµÄpHµÄ±È½Ï£¬ÅжÏËáÐÔµÄÇ¿Èõ£¬¹ÊCÕýÈ·£»
D£®ÒÒ´¼Ò×»Ó·¢£¬Éú³ÉµÄÒÒÏ©ÖлìÓÐÒÒ´¼£¬Ò²±»¸ßÃÌËá¼ØÑõ»¯£¬¹ÊD´íÎó£®
¹ÊÑ¡C£®
µãÆÀ ±¾Ì⿼²é»¯Ñ§ÊµÑé·½°¸µÄÆÀ¼Û£¬Îª¸ßƵ¿¼µã£¬°ÑÎÕÎïÖʵÄÐÔÖÊ¡¢·´Ó¦ÔÀí¡¢ÎïÖʼìÑéµÈΪ½â´ðµÄ¹Ø¼ü£¬²àÖØ·ÖÎöÓëʵÑéÄÜÁ¦µÄ¿¼²é£¬×¢ÒâÔªËØ»¯ºÏÎï֪ʶÓëʵÑéµÄ½áºÏ£¬ÌâÄ¿ÄѶȲ»´ó£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
16£®»¯Ñ§ÓëÉú²ú¡¢Éú»îϢϢÏà¹Ø£¬ÏÂÁÐÐðÊöÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | ʯÓÍ·ÖÁ󡢺£Ë®É¹ÑΡ¢È¼ÃºÑÌÆøµÄÍÑÁò¡¢²Ë×ÑÖÐÌáÈ¡²Ë×ÑÓ͵ȹý³Ì¶¼ÊÇÎïÀí±ä»¯ | |
B£® | CO2¿ÉÓëH2ÔÚÒ»¶¨Ìõ¼þÏÂת»¯ÎªCO¡¢CH3OH¡¢CH3OCH3¡¢HCOOHÒÔ¼°¸÷ÖÖµÍ̼Ìþ£¬ÕâЩ´ëÊ©·ûºÏµÍ̼¾¼ÃµÄ·¢Õ¹ÒªÇó | |
C£® | Åݹý¸ßÃÌËá¼ØÈÜÒºµÄ¹èÔåÍÁ·ÅÓÚÐÂÏÊË®¹ûÏäÄÚÊÇΪÁË´ßÊìË®¹û | |
D£® | Éú»îÖг£ÓÿÉÈÜÐÔÂÁÑκÍÍÑξ»Ë® |
10£®ClO2ÊÇÒ»ÖÖɱ¾úÏûÿЧÂʸߡ¢¶þ´ÎÎÛȾСµÄË®´¦Àí¼Á£®ÊµÑéÊÒÖпÉͨ¹ýÒÔÏ·´Ó¦ÖƵãº2KClO3+H2C2O4+H2SO4$\frac{\underline{\;\;¡÷\;\;}}{\;}$2ClO2¡ü+K2SO4+2CO2¡ü+2H2O£®ÏÂÁÐÓйظ÷´Ó¦µÄ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | H2C2O4ÊÇÑõ»¯¼Á | B£® | KClO3ÊÇ»¹Ô¼Á | ||
C£® | H2C2O4±»Ñõ»¯ | D£® | H2SO4·¢ÉúÑõ»¯·´Ó¦ |
17£®°±´ß»¯Ñõ»¯ÊÇÏõËṤҵµÄ»ù´¡£¬ÔÚij´ß»¯¼Á×÷ÓÃÏ·¢ÉúÖ÷·´Ó¦¢ÙºÍ¸±·´Ó¦¢Ú£º
¢Ù4NH3£¨g£©+5O2£¨g£©?4NO£¨g£©+6H2O£¨g£©¡÷H=-905 kJ•mol-1
¢Ú4NH3£¨g£©+3O2£¨g£©?2N2£¨g£©+6H2O£¨g£©¡÷H=-1268 kJ•mol-1
£¨1£©Ð´³öN2Ñõ»¯ÎªNOµÄÈÈ»¯Ñ§·½³ÌʽN2£¨g£©+O2£¨g£©?2NO£¨g£©¡÷H=+181.5kJ/mol¸Ã·´Ó¦ÔÚ¸ßÎÂÏÂÄÜ×Ô·¢½øÐУ¬ÔòAS£¾0 £¨Ìî¡°£¾¡°£¼¡±»ò¡°=¡±£©
£¨2£©t¡ä¡æʱ£¬ÔÚÈÝ»ý¹Ì¶¨µÄÃܱÕÈÝÆ÷Öз¢Éú·´Ó¦¢Ù£¬ÈÝÆ÷ÄÚ¸÷ÎïÖʵÄŨ¶ÈÈç±í£º
¢ÙµÚ2minʱ¸Ä±äÁËÌõ¼þ£¬¸Ä±äµÄÌõ¼þ¿ÉÄÜÊÇD£¨´ÓËù¸øÑ¡ÏîÖÐÑ¡Ôñ£©£»
A£®½µµÍÎÂ¶È B£®Ôö¼ÓÁËÉú³ÉÎï C£®¼õСѹǿ D£®Ê¹ÓÃÁË´ß»¯¼Á
¢Út¡æʱ£¬ÔÚ6min£¨t1£©ºó½«×°ÖøÄΪºãѹװÖã¬Ñ¸ËÙͨÈëÒ»¶¨Á¿µÄº¤Æø£¬±£³ÖÆäËûÌõ¼þ²»±ä£¬ÔÚt2ʱ¿ÌÖØдﵽƽºâ£¬ÇëÔÚͼ1Öл³ö·´Ó¦ÔٴδﵽƽºâµÄͼÏ󣨱ê³öv£¨Õý£©£¬v£¨Ä棩£©
£¨3£©ÒÔ°±×÷ΪȼÁϵĹÌÌåÑõ»¯Îº¬ÓÐO2-£©È¼Áϵç³ØÊÇÒ»ÖÖÐÂÐÍ»·±£µç³Ø£®Ð´³öµç³Ø¹¤×÷ʱ¸º¼«µÄµç¼«·´Ó¦Ê½$2N{H}_{3}+3{O}^{2-}-6{e}^{-}$¨TN2+3H2O
£¨4£©Ä³¿ÆÑÐС×é³¢ÊÔÀûÓùÌÌå±íÃæ´ß»¯¹¤ÒÕ½øÐÐNOµÄ·Ö½â£®ÈôÓᢡ¢¡¢·Ö±ð±íʾN2¡¢NO2¡¢O2ºÍ¹ÌÌå´ß»¯¼Á£¬ÔòÔÚ¹ÌÌå´ß»¯¼Á±íÃæ·Ö½âNOµÄ¹ý ³Ì¿ÉÓÃͼ2±íʾ£º
¢Ù´ÓÎü¸½µ½½âÎüµÄ¹ý³ÌÖУ¬ÄÜÁ¿×´Ì¬×îµÍµÄÊÇC£¨Ìî×ÖĸÐòºÅ£©£®
¢ÚÓÉÉÏÊöÔÀí£¬ÔÚ´ß»¯¼Á±íÃæ½øÐÐNOµÄ·Ö½âʵÑ飬·¢ÏÖ·Ö½âËÙÂÊÓëŨ¶È¹ØϵÈçͼ2£®´ÓÎü¸½ºÍ½âÎü¹ý³Ì·ÖÎö£¬C0ºóËÙÂʽµµÍµÄÔÒò¿ÉÄÜÊÇ´ïµ½Ò»¶¨Å¨¶Èºó£¬NO·Ö×ÓŨ¶ÈÌ«´ó×è°N2ºÍO2µÄ½âÎü£®
¢Ù4NH3£¨g£©+5O2£¨g£©?4NO£¨g£©+6H2O£¨g£©¡÷H=-905 kJ•mol-1
¢Ú4NH3£¨g£©+3O2£¨g£©?2N2£¨g£©+6H2O£¨g£©¡÷H=-1268 kJ•mol-1
£¨1£©Ð´³öN2Ñõ»¯ÎªNOµÄÈÈ»¯Ñ§·½³ÌʽN2£¨g£©+O2£¨g£©?2NO£¨g£©¡÷H=+181.5kJ/mol¸Ã·´Ó¦ÔÚ¸ßÎÂÏÂÄÜ×Ô·¢½øÐУ¬ÔòAS£¾0 £¨Ìî¡°£¾¡°£¼¡±»ò¡°=¡±£©
£¨2£©t¡ä¡æʱ£¬ÔÚÈÝ»ý¹Ì¶¨µÄÃܱÕÈÝÆ÷Öз¢Éú·´Ó¦¢Ù£¬ÈÝÆ÷ÄÚ¸÷ÎïÖʵÄŨ¶ÈÈç±í£º
Ũ¶È/mol•L-1 ʱ¼ä/min | c£¨NH3£© | c£¨O2£© | c£¨NO£© | c£¨H2O£© |
Æðʼ | 4.0 | 5.5 | 0 | 0 |
µÚ2min | 3.2 | 4.5 | 0.8 | 1.2 |
µÚ4min | 2.0 | 3.0 | 2.0 | 3.0 |
µÚ6min | 2.0 | 3.0 | 2.0 | 3.0 |
A£®½µµÍÎÂ¶È B£®Ôö¼ÓÁËÉú³ÉÎï C£®¼õСѹǿ D£®Ê¹ÓÃÁË´ß»¯¼Á
¢Út¡æʱ£¬ÔÚ6min£¨t1£©ºó½«×°ÖøÄΪºãѹװÖã¬Ñ¸ËÙͨÈëÒ»¶¨Á¿µÄº¤Æø£¬±£³ÖÆäËûÌõ¼þ²»±ä£¬ÔÚt2ʱ¿ÌÖØдﵽƽºâ£¬ÇëÔÚͼ1Öл³ö·´Ó¦ÔٴδﵽƽºâµÄͼÏ󣨱ê³öv£¨Õý£©£¬v£¨Ä棩£©
£¨3£©ÒÔ°±×÷ΪȼÁϵĹÌÌåÑõ»¯Îº¬ÓÐO2-£©È¼Áϵç³ØÊÇÒ»ÖÖÐÂÐÍ»·±£µç³Ø£®Ð´³öµç³Ø¹¤×÷ʱ¸º¼«µÄµç¼«·´Ó¦Ê½$2N{H}_{3}+3{O}^{2-}-6{e}^{-}$¨TN2+3H2O
£¨4£©Ä³¿ÆÑÐС×é³¢ÊÔÀûÓùÌÌå±íÃæ´ß»¯¹¤ÒÕ½øÐÐNOµÄ·Ö½â£®ÈôÓᢡ¢¡¢·Ö±ð±íʾN2¡¢NO2¡¢O2ºÍ¹ÌÌå´ß»¯¼Á£¬ÔòÔÚ¹ÌÌå´ß»¯¼Á±íÃæ·Ö½âNOµÄ¹ý ³Ì¿ÉÓÃͼ2±íʾ£º
¢Ù´ÓÎü¸½µ½½âÎüµÄ¹ý³ÌÖУ¬ÄÜÁ¿×´Ì¬×îµÍµÄÊÇC£¨Ìî×ÖĸÐòºÅ£©£®
¢ÚÓÉÉÏÊöÔÀí£¬ÔÚ´ß»¯¼Á±íÃæ½øÐÐNOµÄ·Ö½âʵÑ飬·¢ÏÖ·Ö½âËÙÂÊÓëŨ¶È¹ØϵÈçͼ2£®´ÓÎü¸½ºÍ½âÎü¹ý³Ì·ÖÎö£¬C0ºóËÙÂʽµµÍµÄÔÒò¿ÉÄÜÊÇ´ïµ½Ò»¶¨Å¨¶Èºó£¬NO·Ö×ÓŨ¶ÈÌ«´ó×è°N2ºÍO2µÄ½âÎü£®
14£®ÏÂÁÐʵÑé²Ù×÷ÄÜ´ïµ½¶ÔӦʵÑéÄ¿µÄÊÇ£¨¡¡¡¡£©
ʵÑé²Ù×÷ | ʵÑéÄ¿µÄ | |
A | Ïò25mL·ÐË®ÖеÎÈë5¡«6µÎ±¥ºÍFeCl3ÈÜÒº£¬³ÖÐø³¤Ê±¼ä¼ÓÈȲ¢½Á°è | ÖƱ¸Fe£¨OH£©3½ºÌå |
B | ÓÃpHÊÔÖ½²â¶¨Í¬Î¶ÈͬŨ¶ÈµÄNaC1OÈÜÒººÍNaCNÈÜÒºµÄpH | ±È½ÏHClO¡¢HCNµÄËáÐÔÇ¿Èõ |
C | ÏòÖ²ÎïÓͺͿóÎïÓÍÖзֱð¼ÓÈëÉÕ¼îÈÜÒº£¬¼ÓÈÈ | ¼ø±ðÖ²ÎïÓͺͿóÎïÓÍ |
D | ÏòÊ¢ÓÐÌå»ýÏàͬŨ¶È¾ùΪ0.1mol/LH2O2ÈÜÒºµÄÁ½Ö§ÊÔ¹ÜÖУ¬·Ö±ðµÎ¼ÓFeCl3ÈÜÒººÍCuSO4ÈÜÒº¸÷1mL | ±È½ÏFe3+ºÍCu2+¶ÔH2O2´ß»¯·Ö½âµÄЧ¹û |
A£® | A | B£® | B | C£® | C | D£® | D |