ÌâÄ¿ÄÚÈÝ
19£®¶Ôäå±½ÒÒÏ©Óë±ûÏ©µÄ¹²¾ÛÎïÊÇÒ»Öָ߷Ö×Ó×èȼ¼Á£¬¾ßÓеͶ¾¡¢ÈÈÎȶ¨ÐԺõÈÓŵ㣮Íê³ÉÏÂÁÐÌî¿Õ£º
£¨1£©Ð´³ö¸Ã¹²¾ÛÎïµÄ½á¹¹¼òʽ£®»ò
£¨2£©ÊµÑéÊÒÓÉÒÒ±½ÖÆÈ¡¶Ôäå±½ÒÒÏ©£¬ÐèÏȾÁ½²½·´Ó¦ÖƵÃÖмäÌ壮д³ö¸ÃÁ½²½·´Ó¦ËùÐèµÄÊÔ¼Á¼°Ìõ¼þÒºäå¡¢ä廯Ìú×÷´ß»¯¼Á¡¢äå¡¢¹âÕÕ
£¨3£©½«Óë×ãÁ¿ÇâÑõ»¯ÄÆÈÜÒº¹²Èȵõ½A£¬AÔÚËáÐÔÌõ¼þÏÂÓöFeCl3ÈÜÒº²»ÏÔÉ«£®
AµÄ½á¹¹¼òʽΪ£®
ÓÉÉÏÊö·´Ó¦¿ÉÍÆÖª£¬ÓÉAÉú³É¶Ôäå±½ÒÒÏ©µÄ·´Ó¦Ìõ¼þΪŨÁòËá¡¢¼ÓÈÈ£®
£¨4£©±ûÏ©´ß»¯¶þ¾ÛµÃµ½2£¬3-¶þ¼×»ù-1-¶¡Ï©£¬BÓë2£¬3-¶þ¼×»ù-1-¶¡Ï©»¥ÎªÍ¬·ÖÒì¹¹Ì壬ÇÒËùÓÐ̼Ô×Ó´¦ÓÚͬһƽÃ森
д³öBµÄ½á¹¹¼òʽ£®£¨CH3£©2C=C£¨CH3£©2
Éè¼ÆÒ»ÌõÓÉ2£¬3-¶þ¼×»ù-1-¶¡Ï©ÖƱ¸BµÄºÏ³É·Ïߣ®CH2=C£¨CH3£©C£¨CH3£©2$¡ú_{Ò»¶¨Ìõ¼þÏÂ}^{HBr}$£¨CH3£©2CBrCH£¨CH3£©2$¡ú_{¡÷}^{NaOHµÄ´¼ÈÜÒº}$£¨CH3£©2C=C£¨CH3£©2
£¨ºÏ³É·Ïß³£Óõıíʾ·½Ê½Îª£ºA$¡ú_{·´Ó¦Ìõ¼þ}^{·´Ó¦ÊÔ¼Á}$B¡$¡ú_{·´Ó¦Ìõ¼þ}^{·´Ó¦ÊÔ¼Á}$Ä¿±ê²úÎ
·ÖÎö £¨1£©¶Ôäå±½ÒÒÏ©Óë±ûÏ©ÔÚÒ»¶¨Ìõ¼þÏ·¢Éú¼Ó¾Û·´Ó¦Éú³É¸ß·Ö×Ó»¯ºÏÎ
£¨2£©ÒÒ±½Éú³Éʱ£¬±½»·ÉÏHÔ×Ó±»È¡´úÐèÒªä廯Ìú×÷´ß»¯¼Á£¬Ö§Á´ÉÏHÔ×Ó±»È¡´úÐèÒª¹âÕÕÌõ¼þ£»
£¨3£©Óë×ãÁ¿ÇâÑõ»¯ÄÆÈÜÒº¹²Èȵõ½A£¬AÔÚËáÐÔÌõ¼þÏÂÓöFeCl3ÈÜÒº²»ÏÔÉ«£¬ËµÃ÷AÖÐûÓзÓôÇ»ù£¬ÔòÖ»ÓÐÖ§Á´ÉÏBrÔ×Ó±»-OHÈ¡´ú£¬¾Ý´ËÅжÏA½á¹¹¼òʽ£»A·¢Éú´¼µÄÏûÈ¥·´Ó¦Éú³É¶Ôäå±½ÒÒÏ©£»
£¨4£©BÓë2£¬3-¶þ¼×»ù-1-¶¡Ï©»¥ÎªÍ¬·ÖÒì¹¹Ì壬ÇÒËùÓÐ̼Ô×Ó´¦ÓÚͬһƽÃ棬ÔòBÖÐËĸö¼×»ùÁ¬½Ó̼̼˫¼üÁ½¶Ë̼Ô×Ó£¬Æä½á¹¹¼òʽΪ£¨CH3£©2C=C£¨CH3£©2£¬
2£¬3-¶þ¼×»ù-1-¶¡Ï©ºÍHBr·¢Éú¼Ó³É·´Ó¦Éú³É£¨CH3£©2CBrCH£¨CH3£©2£¬£¨CH3£©2CBrCH£¨CH3£©2·¢ÉúÏûÈ¥·´Ó¦Éú³É
£¨CH3£©2C=C£¨CH3£©2£®
½â´ð ½â£º£¨1£©¶Ôäå±½ÒÒÏ©Óë±ûÏ©ÔÚÒ»¶¨Ìõ¼þÏ·¢Éú¼Ó¾Û·´Ó¦Éú³É¸ß·Ö×Ó»¯ºÏÎÆä½á¹¹¼òʽ»ò£¬
¹Ê´ð°¸Îª£º»ò£»
£¨2£©ÒÒ±½Éú³Éʱ£¬±½»·ÉÏHÔ×Ó±»È¡´úÐèÒªä廯Ìú×÷´ß»¯¼Á£¬ÐèÒªÒºäå×÷·´Ó¦Î֧Á´ÉÏHÔ×Ó±»È¡´úÐèÒª¹âÕÕÌõ¼þ£¬ÐèÒªäå×÷·´Ó¦Î¹Ê´ð°¸Îª£ºÒºäå¡¢ä廯Ìú×÷´ß»¯¼Á£»äå¡¢¹âÕÕ£»
£¨3£©Óë×ãÁ¿ÇâÑõ»¯ÄÆÈÜÒº¹²Èȵõ½A£¬AÔÚËáÐÔÌõ¼þÏÂÓöFeCl3ÈÜÒº²»ÏÔÉ«£¬ËµÃ÷AÖÐûÓзÓôÇ»ù£¬ÔòÖ»ÓÐÖ§Á´ÉÏBrÔ×Ó±»-OHÈ¡´ú£¬ÔòA½á¹¹¼òʽΪ£¬AÔÚŨÁòËá¡¢¼ÓÈÈÌõ¼þÏ·¢ÉúÏûÈ¥·´Ó¦Éú³É¶Ôäå±½ÒÒÏ©£¬
¹Ê´ð°¸Îª£º£»Å¨ÁòËá¡¢¼ÓÈÈ£»
£¨4£©BÓë2£¬3-¶þ¼×»ù-1-¶¡Ï©»¥ÎªÍ¬·ÖÒì¹¹Ì壬ÇÒËùÓÐ̼Ô×Ó´¦ÓÚͬһƽÃ棬ÔòBÖÐËĸö¼×»ùÁ¬½Ó̼̼˫¼üÁ½¶Ë̼Ô×Ó£¬Æä½á¹¹¼òʽΪ£¨CH3£©2C=C£¨CH3£©2£¬
2£¬3-¶þ¼×»ù-1-¶¡Ï©ºÍHBr·¢Éú¼Ó³É·´Ó¦Éú³É£¨CH3£©2CBrCH£¨CH3£©2£¬£¨CH3£©2CBrCH£¨CH3£©2·¢ÉúÏûÈ¥·´Ó¦Éú³É
£¨CH3£©2C=C£¨CH3£©2£¬ÆäÁ÷³ÌͼΪCH2=C£¨CH3£©C£¨CH3£©2$¡ú_{Ò»¶¨Ìõ¼þÏÂ}^{HBr}$£¨CH3£©2CBrCH£¨CH3£©2$¡ú_{¡÷}^{NaOHµÄ´¼ÈÜÒº}$£¨CH3£©2C=C£¨CH3£©2£¬
¹Ê´ð°¸Îª£º£¨CH3£©2C=C£¨CH3£©2£»CH2=C£¨CH3£©C£¨CH3£©2$¡ú_{Ò»¶¨Ìõ¼þÏÂ}^{HBr}$£¨CH3£©2CBrCH£¨CH3£©2$¡ú_{¡÷}^{NaOHµÄ´¼ÈÜÒº}$£¨CH3£©2C=C£¨CH3£©2£®
µãÆÀ ±¾ÌâΪ2015Äê¸ß¿¼Ì⣬¿¼²éÓлú»¯Ñ§ºÏ³É£¬Îª¸ßƵ¿¼µã£¬²àÖØ¿¼²éѧÉú֪ʶ×ÛºÏÓ¦ÓÃÄÜÁ¦£¬ÐèҪѧÉú¶Ô³£¼ûÓлúÎï¹ÙÄÜÍż°ÆäÐÔÖÊ¡¢³£¼û·´Ó¦ÀàÐͼ°Ìõ¼þÊìÁ·ÕÆÎÕ²¢Áé»îÔËÓã¬ÄѵãÊǺϳÉ·ÏßÉè¼ÆµÄ£¨4£©Ì⣬ÌâÄ¿ÄѶȽϴó£®
£¨1£©Ïò·ÏÒºÖмÓÈëNa2SO3 ÈÜÒº£¬·¢Éú¡°»¹Ô¡±·´Ó¦µÄÀë×Ó·½³ÌʽΪSO32-+I2+H2O=2I-+SO42-+2H+£®
£¨2£©¡°Ñõ»¯¡±²Ù×÷ÔÚÈý¾±ÉÕÆ¿ÖнøÐУ¨Èçͼһ£©£¬½«ÈÜÒºÓÃÑÎËáµ÷ÖÁpHԼΪ2£¬»ºÂýͨÈëCl2£®ÊµÑéÓÃˮԡ¿ØÖÆÔÚ40¡æ×óÓҵĽϵÍζÈϽøÐеÄÔÒòÊÇʹÂÈÆøÔÚÈÜÒºÖÐÓнϴóµÄÈܽâ¶È£¨»ò·ÀÖ¹I2Éý»ª»ò·ÀÖ¹I2½øÒ»²½±»Ñõ»¯£©£®
£¨3£©Ä³Ñо¿Ð¡×éÓÃͼ¶þ×°ÖöÔCl2ÓëKIÈÜÒºµÄ·´Ó¦½øÐÐ̽¾¿£¬·¢ÏÖͨÈëCl2Ò»¶Îʱ¼äºó£¬KIÈÜÒº±äΪ»ÆÉ«£¬¼ÌÐøͨÈëCl2£¬ÔòÈÜÒº»ÆÉ«±ädz£¬×îºó±äΪÎÞÉ«£®Ñо¿Ð¡×é¶ÔËùµÃÎÞÉ«ÈÜÒºÖеâÔªËصĴæÔÚÐÎ̬Ìá³öÁËÒÔϼÙÉ裺
¼ÙÉèÒ»£ºÃ»ÓÐI2ÐÎ̬£»¼ÙÉè¶þ£ºÃ»ÓÐI-ÐÎ̬£»¼ÙÉèÈý£ºÓÐIO3-ÐÎ̬£®
¢ÙÇëÉè¼ÆʵÑéÖ¤Ã÷¼ÙÉèÒ»³ÉÁ¢£¨ÊÔ¼Á×ÔÑ¡£©£®
ʵÑé²Ù×÷ | Ô¤ÆÚÏÖÏó | ½áÂÛ |
¼ÙÉèÒ»³ÉÁ¢ |
£¨4£©¸ÃÑо¿Ð¡×黹½øÐÐÁ˶ԼӵâÑÎÖÐKIO3º¬Á¿²â¶¨µÄÈçÏÂʵÑ飺
¢Ù׼ȷ³ÆÈ¡¼ÓµâÑÎm gÓÚÉÕ±ÖУ¬¼ÓÈëÊÊÁ¿ÕôÁóË®ºÍ¹ýÁ¿µÄKI£¬ÔÙµÎÈëÊÊÁ¿µÄÏ¡ÁòËᣬ³ä·Ö·´Ó¦£¬½«ËùµÃ»ìºÏÒºÅä³É250.00mL´ý²âÈÜÒº£®ÒÆÈ¡25.00mL´ý²âÈÜÒºÓÚ׶ÐÎÆ¿ÖУ¬¼Ó¼¸µÎµí·ÛÊÔÒº£¬ÓÃc mol•L-1 Na2S2O3±ê×¼ÒºµÎ¶¨ÖÁÖյ㣬Öظ´3´Î£¬²âµÃƽ¾ùֵΪV mL£®
ÒÑÖª£ºIO3-+5I-+6H+=3H2O+3I2£¬I2+2S2O32-=2I-+S4O62-£®²â¶¨Ê±£¬ÅжϴﵽµÎ¶¨ÖÕµãµÄÏÖÏóΪÈÜÒºÓÉÀ¶É«±äΪÎÞÉ«£¬ÇÒ°ë·ÖÖÓ²»±äÉ«£®ÓɲⶨÊý¾Ý¿ÉÇóµÃ¸ÃÑùÆ·Öк¬KIO3µÄÖÊÁ¿·ÖÊýΪ$\frac{21.4CV}{6m}$%£¨Óú¬m¡¢c¡¢VµÄ´úÊýʽ±íʾ£¬Mr£¨KIO3£©=214 £©£®
¢ÚÔڵ樲Ù×÷ÕýÈ·ÎÞÎóµÄÇé¿öÏ£¬ÓôËÖֲⶨ·½·¨²âµÃµÄ½á¹ûÍùÍùÆ«¸ß£¬ÆäÔÒòÊÇÊÜ¿ÕÆøµÄÓ°Ï죬ÇëÓÃÀë×Ó·½³Ìʽ±íʾ²úÉúÕâÒ»Ó°ÏìµÄÔÒò4I-+O2+4H+=2I2+2H2O£®
A£® | ÔÚ³£¼ûµÄ»¯ºÏÎïÖУ¬×î¸ß¼Û̬´ÓµÍÖÁ¸ßµÄ˳ÐòÊÇ£ºC£¼N£¼O=S£¼Cl | |
B£® | Ô×ÓÐòÊý´ÓСµ½´óÊÇ£ºC£¼N£¼O£¼S£¼Cl | |
C£® | ÅÅÔÚÔªËØÖÜÆÚ±íÖÐËùÊôµÄÖ÷×åÐòÊý´Ó´óÖÁСµÄÊÇ£ºCl£¾O£¾S£¾N£¾C | |
D£® | Ô×ÓµÄ×îÍâ²ãµç×ÓÊýÓɶàÖÁÉÙµÄ˳ÐòÊÇ£ºCl£¾O=S£¾N£¾C |
A£® | þ·Û | B£® | µâ»¯¼Ø | C£® | ±½ | D£® | ËÄÂÈ»¯Ì¼ |
A£® | ÔªËرûµÄµ¥ÖÊ¿ÉÓÃÓÚÒ±Á¶½ðÊô | B£® | ¼×Ó붡ÐγɵķÖ×ÓÖÐÓзǼ«ÐÔ·Ö×Ó | ||
C£® | ¼òµ¥Àë×Ӱ뾶£º¶¡£¾ÒÒ£¾±û | D£® | ¼×ÓëÒÒÐγɵĻ¯ºÏÎï¾ùÓÐÑõ»¯ÐÔ |