£¨8·Ö£©(1998ÄêÉϺ£)Âȼµç½â±¥ºÍʳÑÎË®ÖÆÈ¡NaOHµÄ¹¤ÒÕÁ÷³ÌʾÒâͼÈçÏÂ

ÒÀ¾ÝÉÏͼ£¬Íê³ÉÏÂÁÐÌî¿Õ£º
(1)ÔÚµç½â¹ý³ÌÖУ¬ÓëµçÔ´Õý¼«ÏàÁ¬µÄµç¼«ÉÏËù·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ              £¬ÓëµçÔ´¸º¼«ÏàÁ¬µÄµç¼«¸½½ü£¬ÈÜÒºpH             (Ñ¡Ìî¡°²»±ä¡±¡°Éý¸ß¡±»ò¡°Ï½µ¡±)¡£
(2)¹¤ÒµÊ³Ñκ¬Ca2+¡¢Mg2+µÈÔÓÖÊ¡£¾«Öƹý³Ì·¢Éú·´Ó¦µÄÀë×Ó·½³ÌʽΪ
                                ¡¢                                    ¡£
(3)Èç¹û´ÖÑÎÖÐSO42-º¬Á¿½Ï¸ß£¬±ØÐëÌí¼Ó±µÊÔ¼Á³ýÈ¥SO42-£¬¸Ã±µÊÔ¼Á¿ÉÒÔ
ÊÇ          (Ñ¡Ìîa£¬b£¬c¶àÑ¡¿Û·Ö)¡£
a£®Ba(OH)2        b£®Ba(NO3)2        c£®BaCl2
(4)ΪÓÐЧ³ýÈ¥Ca2+¡¢Mg2+¡¢SO42¡ª£¬¼ÓÈëÊÔ¼ÁµÄºÏÀí˳ÐòΪ      (Ñ¡Ìîa¡¢b¡¢c¶àÑ¡¿Û·Ö)
a£®ÏȼÓNaOH,ºó¼ÓNa2CO3£¬ÔÙ¼Ó±µÊÔ¼Á
b£®ÏȼÓNaOH£¬ºó¼Ó±µÊÔ¼Á£¬ÔÙ¼ÓNa2CO3
c£®ÏȼӱµÊÔ¼Á£¬ºó¼ÓNaOH£¬ÔÙ¼ÓNa2CO3
(5)ÍÑÑι¤ÐòÖÐÀûÓÃNaOHºÍNaClÔÚÈܽâ¶ÈÉϵIJîÒ죬ͨ¹ý      ¡¢ÀäÈ´¡¢              (Ìîд²Ù×÷Ãû³Æ)³ýÈ¥NaCl
(6)ÔÚ¸ôĤ·¨µç½âʳÑÎˮʱ£¬µç½â²Û·Ö¸ôΪÑô¼«ÇøºÍÒõ¼«Çø£¬·ÀÖ¹Cl2ÓëNaOH·´Ó¦£»²ÉÓÃÎÞ¸ôĤµç½âÀäµÄʳÑÎˮʱ£¬Cl2ÓëNaOH³ä·Ö½Ó´¥£¬²úÎï½öÊÇNaClOºÍH2£¬ÏàÓ¦µÄ»¯Ñ§·½³ÌʽΪ                                                           ¡£

(1)2Cl-£­2e£ß====Cl2£»Éý¸ß(2)Ca2++CO32¡ª=====CaCO3¡ýMg2++2OH-====Mg(OH)2¡ý
(3)a¡¢c  (4)b¡¢c  (5)Õô·¢£»¹ýÂË  (6)NaCl+H2O=====NaClO+H2¡ü»ò2NaCl+2H2O=======H2¡ü+Cl2¡ü+2NaOH    Cl2+2NaOH====NaCl+NaClO+H2O

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

(1998ÄêÉϺ££¬13)±ùÏäÖÂÀä¼Á·úÂȼ×ÍéÔڸ߿ÕÖÐÊÜ×ÏÍâÏß·øÉä²úÉúClÔ­×Ó£¬²¢½øÐÐÏÂÁз´Ó¦£ºCl+O2¡úClO+O2£¬ClO+O¡úCl+O2¡£ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ(    )

A.·´Ó¦ºó½«O3ת±äΪO2          

B.ClÔ­×ÓÊÇ×Ü·´Ó¦µÄ´ß»¯¼Á

C.·úÂȼ×ÍéÊÇ×Ü·´Ó¦µÄ´ß»¯¼Á       

D.ClÔ­×Ó·´¸´Æð·Ö½âO3µÄ×÷ÓÃ

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸