ÌâÄ¿ÄÚÈÝ

ÇâäåËáÔÚÒ½Ò©ºÍʯ»¯¹¤ÒµÉÏÓй㷺ÓÃ;¡£ÏÂͼÊÇÄ£Ä⹤ҵÖƱ¸ÇâäåËá´ÖÆ·¼°¾«ÖƵÄÁ÷³Ì£º

ÒÑÖª£ºBr2ÊÇÒ×»Ó·¢¡¢Éîºì×ØÉ«µÄÒºÌ壻ÇâäåËáÊÇÒ×»Ó·¢¡¢ÎÞÉ«ÒºÌå¡£
¸ù¾ÝÉÏÊöÁ÷³Ì»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©·´Ó¦ÊÒ¢ÙÖз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ              ¡£
£¨2£©·´Ó¦ÊÒ¢ÙʹÓñùË®µÄÄ¿µÄ           ¡£
£¨3£©²Ù×÷IµÄÃû³Æ          £¬²Ù×÷¢òÓõ½µÄ²£Á§ÒÇÆ÷ÓР          ¡£
£¨4£©·´Ó¦ÊÒ¢ÚÖмÓÈëNa2SO3µÄÄ¿µÄÊÇ             ¡£
£¨5£©¹¤ÒµÉú²úÖÐÖƵõÄÇâäåËá´øÓе­µ­µÄ»ÆÉ«¡£ÓÚÊǼ×ÒÒÁ½Í¬Ñ§Éè¼ÆÁËʵÑé¼ÓÒÔ̽¾¿£º
¢Ù¼×ͬѧ¼ÙÉ蹤ҵÇâäåËá³Êµ­»ÆÉ«ÊÇÒòΪº¬Fe3£«£¬ÔòÓÃÓÚÖ¤Ã÷¸Ã¼ÙÉèËùÓõÄÊÔ¼ÁΪ           £¬Èô¼ÙÉè³ÉÁ¢¿É¹Û²ìµ½µÄÏÖÏóΪ           ¡£
¢ÚÒÒͬѧ¼ÙÉ蹤ҵÇâäåËá³Êµ­»ÆÉ«ÊÇÒòΪ        £¬ÆäÓÃÓÚÖ¤Ã÷¸Ã¼ÙÉè³ÉÁ¢µÄ·½·¨Îª              ¡£

£¨1£©SO2+Br2+2H2O=H2SO4+2HBr  £¨2£©·ÀÖ¹Br2ºÍHBr»Ó·¢
£¨3£©ÕôÁó£»Â©¶·¡¢²£Á§°ô¡¢ÉÕ±­¡£ £¨4£©»¹Ô­´ÖÆ·ÖеÄBr2
£¨5£©¢ÙKSCNÈÜÒº£¬ÇâäåËáÓöKSCNÈÜÒº±äºìÉ«£»¢ÚÇâäåËáÖк¬ÓÐBr2£¬Óò£Á§°ôպȡÖƵõÄÇâäåËᣬµãÔÚʪÈóµí·ÛKIÊÔÖ½ÉϱäÀ¶£¨»òÓýºÍ·µÎ¹ÜÈ¡ÖƵõÄÇâäåËáÓÚÊÔ¹ÜÖУ¬µÎ¼ÓCCl4¡¢Õñµ´¡¢¾²Ö¹£¬Ï²ã³Ê³ÈºìÉ«£©£¬Ö¤Ã÷Òòº¬Br2¶øÏÔ»ÆÉ«¡£

½âÎöÊÔÌâ·ÖÎö£º£¨1£©·´Ó¦ÊÒ¢ÙÖÐSO2ºÍBr2ÔÚ±ùË®Öз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪSO2+Br2+2H2O=H2SO4+2HBr¡££¨2£©·´Ó¦ÊÒ¢ÙʹÓñùË®µÄÄ¿µÄÊÇΪÁË·ÀÖ¹Br2ºÍHBr»Ó·¢¶øÎÛȾ¿ÕÆø£¬Ó°Ïì²Ù×÷¡££¨3£©²Ù×÷IÊÇ·ÖÀ뻥Èܵķе㲻ͬµÄÒºÌåÎïÖʵIJÙ×÷¡£Ãû³ÆÊÇÕôÁó¡£²Ù×÷¢òÓõ½µÄ²£Á§ÒÇÆ÷ÓЩ¶·¡¢²£Á§°ô¡¢ÉÕ±­¡££¨4£©·´Ó¦ÊÒ¢ÚÖмÓÈëNa2SO3µÄÄ¿µÄÊÇΪÁËÏûºÄΪ·´Ó¦µÄBr2£¬Ìá¸ßÎïÖʵĴ¿¶È¡££¨5£©¹¤ÒµÉú²úÖÐÖƵõÄÇâäåËá´øÓе­µ­µÄ»ÆÉ«¡£¢Ù¼×ͬѧ¼ÙÉ蹤ҵÇâäåËá³Êµ­»ÆÉ«ÊÇÒòΪº¬Fe3£«¡£¼ìÑéµÄ·½·¨ÊÇÈ¡ÉÙÁ¿µÄÈÜÒº£¬ÏòÆäÖеμӼ¸µÎKSCNÈÜÒº£¬Èô¹¤ÒµÇâäåËáÓöKSCNÈÜÒº±äºìÉ«£»¾ÍÖ¤Ã÷º¬ÓÐFe3£«£»·ñÔò¾Í°Éº¬ÓÐFe3£«¡£¢ÚÒÒͬѧ¼ÙÉ蹤ҵÇâäåËá³Êµ­»ÆÉ«ÊÇÒòΪº¬ÓÐBr2¡£¼ìÑéµÄ·½·¨ÊÇÀûÓÃÆäÇ¿Ñõ»¯ÐÔ¡£Óò£Á§°ôպȡÖƵõÄÇâäåËᣬµãÔÚʪÈóµí·ÛKIÊÔÖ½ÉϱäÀ¶£¨Ò²¿ÉÒÔÀûÓÃÆäÔÚÓлúÈܼÁÖеÄÈܽâ¶È´óµÄÐÔÖÊ¡£ÓýºÍ·µÎ¹ÜÈ¡ÖƵõÄÇâäåËáÓÚÊÔ¹ÜÖУ¬µÎ¼ÓCCl4¡¢Õñµ´¡¢¾²Ö¹£¬Ï²ã³Ê³ÈºìÉ«£©£¬Ö¤Ã÷Òòº¬Br2¶øÏÔ»ÆÉ«¡£
¿¼µã£º¿¼²éSO2ºÍBr2µÄÐÔÖÊ¡¢»ìºÏÎïµÄ·ÖÀë·½·¨¡¢²Ù×÷¡¢Fe3£«ºÍBr2µÄ¼ìÑé·½·¨µÄ֪ʶ¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

ÒÔÂÁ»Ò£¨Ö÷Òª³É·ÖΪAl¡¢Al2O3£¬ÁíÓÐÉÙÁ¿CuO¡¢SiO2¡¢FeOºÍFe2O3ÔÓÖÊ£©ÎªÔ­ÁÏ£¬¿ÉÖƵÃÒºÌå¾ÛºÏÂÈ»¯ÂÁAlm£¨OH£©nCl3m-n£¬Éú²úµÄ²¿·Ö¹ý³ÌÈçÏÂͼËùʾ£¨²¿·Ö²úÎïºÍ²Ù×÷ÒÑÂÔÈ¥£©¡£

ÒÑ֪ijЩÁò»¯ÎïµÄÐÔÖÊÈçÏÂ±í£º

£¨1£©²Ù×÷IÊÇ              ¡£Al2O3ÓëÑÎËá·´Ó¦µÄÀë×Ó·½³ÌʽÊÇ                              ¡£
£¨2£©ÂËÔü2ΪºÚÉ«£¬¸ÃºÚÉ«ÎïÖʵĻ¯Ñ§Ê½ÊÇ                           ¡£
£¨3£©ÏòÂËÒº2ÖмÓÈëNaClOÈÜÒºÖÁ²»ÔÙ²úÉúºìºÖÉ«³Áµí£¬´ËʱÈÜÒºµÄpHԼΪ3£®7¡£NaClOµÄ×÷ÓÃÊÇ                            ¡£
£¨4£©½«ÂËÒº3µÄpHµ÷ÖÁ4£®2¡«4£®5£¬ÀûÓÃË®½â·´Ó¦µÃµ½ÒºÌå¾ÛºÏÂÈ»¯ÂÁ¡£·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ                                ¡£
£¨5£©½«ÂËÒº3µç½âÒ²¿ÉÒԵõ½ÒºÌå¾ÛºÏÂÈ»¯ÂÁ¡£×°ÖÃÈçͼËùʾ£¨ÒõÀë×Ó½»»»Ä¤Ö»ÔÊÐíÒõÀë×Óͨ¹ý£¬µç¼«Îª¶èÐԵ缫£©¡£

¢Ùд³öÒõ¼«Êҵĵ缫·´Ó¦£º                                           ¡£
¢Ú¼òÊöÔÚ·´Ó¦ÊÒÖÐÉú³É¾ÛºÏÂÈËûÂÁµÄÔ­Àí£º                                        ¡£

ÔÚ×ÔÀ´Ë®Ïû¶¾ºÍ¹¤ÒµÉÏÉ°ÌÇ¡¢ÓÍÖ¬µÄƯ°×Óëɱ¾ú¹ý³ÌÖУ¬ÑÇÂÈËáÄÆ(NaClO2)·¢»Ó×ÅÖØÒªµÄ×÷Óá£ÏÂͼÊÇÉú²úÑÇÂÈËáÄƵŤÒÕÁ÷³Ìͼ£º

ÒÑÖª£º¢ÙNaClO2µÄÈܽâ¶ÈËæζÈÉý¸ß¶øÔö´ó£¬Êʵ±Ìõ¼þÏ¿ɽᾧÎö³öNaClO2¡¤3H2O£»
¢Ú³£ÎÂÏ£¬Ksp(FeS)=6£®3¡Á10-18£»Ksp(CuS)=6£®3¡Á10-28£»Ksp(PbS)=2£®4 ¡Á10-28
£¨1£©·´Ó¦IÖз¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ      ¡£
£¨2£©´ÓÂËÒºÖеõ½NaClO2¡¤3H2O¾§ÌåµÄËùÐè²Ù×÷ÒÀ´ÎÊÇ      (ÌîдÐòºÅ)¡£
a£®ÕôÁó     b£®Õô·¢Å¨Ëõ    c£®¹ýÂË     d£®ÀäÈ´½á¾§    e£®×ÆÉÕ
£¨3£©Ó¡È¾¹¤Òµ³£ÓÃÑÇÂÈËáÄÆ(NaClO2)Ư°×Ö¯ÎƯ°×Ö¯ÎïʱÕæÕýÆð×÷ÓõÄÊÇHClO2¡£Ï±íÊÇ25¡æʱHClO2¼°¼¸ÖÖ³£¼ûÈõËáµÄµçÀëƽºâ³£Êý£º

ÈõËá
HClO2
HF
H2CO3
H2S
Ka£¯mol¡¤L-1
1¡Á10-2
6.3¡Á10-4
K1=4.30¡Á10-7
K2=5.60¡Á10-11
K1=9.1¡Á10-8
K2=l.1¡Á10-12
 
¢Ù³£ÎÂÏ£¬ÎïÖʵÄÁ¿Å¨¶ÈÏàµÈµÄNaClO2¡¢NaF¡¢NaHCO3¡¢Na2SËÄÖÖÈÜÒºµÄpHÓÉ´óµ½Ð¡µÄ˳ÐòΪ        (Óû¯Ñ§Ê½±íʾ)£»Ìå»ýÏàµÈ£¬ÎïÖʵÄÁ¿Å¨¶ÈÏàͬµÄNaF¡¢NaClO2Á½ÈÜÒºÖÐËùº¬ÒõÑôÀë×Ó×ÜÊýµÄ´óС¹ØϵΪ£º               (Ìî¡°Ç°Õߴ󡱡°ÏàµÈ¡±»ò¡°ºóÕß´ó¡±)¡£
¢ÚNa2SÊdz£ÓõijÁµí¼Á¡£Ä³¹¤ÒµÎÛË®Öк¬ÓеÈŨ¶ÈµÄCu2+¡¢Fe2+¡¢Pb2+Àë×Ó£¬µÎ¼ÓNa2SÈÜÒººóÊ×ÏÈÎö³öµÄ³ÁµíÊÇ        £»³£ÎÂÏ£¬µ±×îºóÒ»ÖÖÀë×Ó³ÁµíÍêȫʱ(¸ÃÀë×ÓŨ¶ÈΪ10-5mol¡¤L-1)´ËʱÌåϵÖеÄS2-µÄŨ¶ÈΪ          ¡£
£¨4£©¢ó×°ÖÃÖÐÉú³ÉÆøÌåaµÄµç¼«·´Ó¦Ê½          £¬ÈôÉú³ÉÆøÌåaµÄÌå»ýΪ1£®12L(±ê×¼×´¿ö)£¬ÔòתÒƵç×ÓµÄÎïÖʵÄÁ¿Îª   ¡£

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø