ÏÂÁÐÖÆÈ¡¡¢¼ìÑé¡¢Ìá´¿»ò±£´æÎïÖʵķ½·¨¿ÉÐеÄÊÇ(    )

¢ÙÏòijÈÜÒºÖмÓÈëKSCNÈÜÒº¼ìÑé¸ÃÈÜÒºÊÇ·ñº¬ÓÐFe3+

¢ÚÓÃÖ²ÎïÓÍ¡¢NaOHÈÜÒºÖÆÈ¡·ÊÔí  ¢ÛÏòFeCl3±¥ºÍÈÜÒºÖеμÓNaOHÈÜÒºÖÆÈ¡Fe(OH)3½ºÌå  ¢ÜÓÃÑæÉ«·´Ó¦¼ìÑéK+ʱÐë͸¹ýÀ¶É«îܲ£Á§¹Û²ì  ¢ÝÒºäåÓÃˮҺ·âºóÃÜ·â±£´æÔÚÎÞÉ«ÊÔ¼ÁÆ¿ÖР ¢ÞÏò»ìÓÐÒÒËáµÄÒÒËáÒÒõ¥ÖмÓÈëNaOHÈÜÒºÔÙ·ÖÒº£¬Ìá´¿ÒÒËáÒÒõ¥

A.¢Ù¢Û¢Ý¢Þ               B.¢Ú¢Ü¢Ý¢Þ                  C.¢Ù¢Ú¢Ü¢Ý              D.¢Ù¢Û¢Ü¢Þ

C

½âÎö£ºFe3+ÓëSCN-ÈÜÒº·´Ó¦£¬ÈÜÒº³ÊºìÉ«£¬¢Ù¶Ô£»Ö²ÎïÓÍÖеÄÓÍÖ¬ÓëNaOHÈÜÒº×÷Óã¬Éú³É·ÊÔíµÄÖ÷Òª³É·Ö£º¸ß¼¶Ö¬·¾ËáµÄÄÆÑΣ¬¢Ú¶Ô£»FeCl3±¥ºÍÈÜÒºÖеμÓNaOHÈÜÒº£¬Éú³ÉFe(OH)3³Áµí£¬¢Û´í£»¢Ü¢ÝÕýÈ·£»Ïò»ìÓÐÒÒËáµÄÒÒËáÒÒõ¥ÖмÓÈë±¥ºÍNa2CO3ÈÜÒº£¬ÔÙ·ÖÒº£¬Ìá´¿ÒÒËáÒÒõ¥¡£ÒÒËáÒÒõ¥ÓëNaOH»áË®½â£¬¢Þ´í¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÏÂÁÐÖÆÈ¡¡¢¼ìÑé¡¢Ìá´¿»ò±£´æÎïÖʵķ½·¨¿ÉÐеÄÊÇ
¢ÙÏòijÈÜÒºÖмÓÈëKSCNÈÜÒº¼ìÑé¸ÃÈÜÒºÊÇ·ñº¬ÓÐFe3+
¢ÚÓÃÖ²ÎïÓÍ¡¢NaOHÈÜÒºÖÆÈ¡·ÊÔí
¢ÛÏòFeCl3±¥ºÍÈÜÒºÖеμÓNaOHÈÜÒºÖÆÈ¡Fe(OH)3½ºÌå
¢ÜÓÃÑæÉ«·´Ó¦¼ìÑéK+ʱÐë͸¹ýÀ¶É«îܲ£Á§¹Û²ì
¢ÝÒºäåÓÃˮҺ·âºóÃÜ·â±£´æÔÚ×ØÉ«ÊÔ¼ÁÆ¿ÖÐ
¢ÞÏò»ìÓÐÒÒËáµÄÒÒËáÒÒõ¥ÖмÓÈëNaOHÈÜÒºÔÙ·ÖÒº£¬Ìá´¿ÒÒËáÒÒõ¥


  1. A.
    ¢Ù¢Û¢Ý¢Þ¡¡¡¡¡¡¡¡¡¡¡¡¡¡
  2. B.
    ¢Ú¢Ü¢Ý¢Þ
  3. C.
    ¢Ù¢Ú¢Ü¢Ý
  4. D.
    ¢Ù¢Û¢Ü¢Þ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2011-2012ѧÄê¸ß¿¼»¯Ñ§Ò»ÂÖ¸´Ï°¡¶»¯Ñ§ÊµÑé»ù´¡¡·×¨Ìâ×ۺϲâÊÔ£¨Ëս̰棩 ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂÁÐÖÆÈ¡¡¢¼ìÑé¡¢Ìá´¿»ò±£´æÎïÖʵķ½·¨¿ÉÐеÄÊÇ(¡¡¡¡)

¢ÙÏòijÈÜÒºÖмÓÈëKSCNÈÜÒº¼ìÑé¸ÃÈÜÒºÊÇ·ñº¬ÓÐFe3£«

¢ÚÓÃÖ²ÎïÓÍ¡¢NaOHÈÜÒºÖÆÈ¡·ÊÔí

¢ÛÏòFeCl3±¥ºÍÈÜÒºÖеμÓNaOHÈÜÒºÖÆÈ¡Fe(OH)3½ºÌå

¢ÜÓÃÑæÉ«·´Ó¦¼ìÑéK£«Ê±Ðë͸¹ýÀ¶É«îܲ£Á§¹Û²ì

¢ÝÒºäåÓÃˮҺ·âºóÃÜ·â±£´æÔÚ×ØÉ«ÊÔ¼ÁÆ¿ÖÐ

¢ÞÏò»ìÓÐÒÒËáµÄÒÒËáÒÒõ¥ÖмÓÈëNaOHÈÜÒºÔÙ·ÖÒº£¬Ìá´¿ÒÒËáÒÒõ¥

A£®¢Ù¢Û¢Ý¢Þ¡¡¡¡¡¡¡¡¡¡¡¡¡¡                                     B£®¢Ú¢Ü¢Ý¢Þ

C£®¢Ù¢Ú¢Ü¢Ý       D£®¢Ù¢Û¢Ü¢Þ

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

(08Ä꺼ÖÝѧ¾üÖÐѧģÄâ)ÏÂÁÐÖÆÈ¡¡¢¼ìÑé¡¢Ìá´¿»ò±£´æÎïÖʵķ½·¨¿ÉÐеÄÊÇ   £¨£©

 ¢Ù ÏòijÈÜÒºÖмÓÈëKSCNÈÜÒº¼ìÑé¸ÃÈÜÒºÊÇ·ñº¬ÓÐFe3+£¬¢Ú ÓÃÖ²ÎïÓÍ¡¢ÒÒ´¼¡¢NaOHÈÜÒºÖÆÈ¡·ÊÔí£¬¢Û ÏòFeCl3±¥ºÍÈÜÒºÖеμÓNaOHÈÜÒºÖÆÈ¡Fe(OH)3½ºÌ壬¢Ü ÓÃÑæÉ«·´Ó¦¼ìÑéK£«Ê±Ðë͸¹ýÀ¶É«îܲ£Á§¹Û²ì£¬¢Ý ÒºäåÓÃˮҺ·âºóÃÜ·â±£´æÔÚ×ØÉ«ÊÔ¼ÁÆ¿ÖУ¬¢Þ Ïò»ìÓÐÒÒËáµÄÒÒËáÒÒõ¥ÖмÓÈëNaOHÈÜÒºÔÙ·ÖÒº£¬Ìá´¿ÒÒËáÒÒõ¥¡£

  A£®¢Ù¢Ú¢Ü¢Ý          B£® ¢Ú¢Ü¢Ý¢Þ         C£®¢Ù¢Û¢Ý¢Þ          D£®¢Ù¢Û¢Ü¢Þ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÏÂÁÐÖÆÈ¡¡¢¼ìÑé¡¢Ìá´¿»ò±£´æÎïÖʵķ½·¨¿ÉÐеÄÊÇ(¡¡¡¡)

¢ÙÏòijÈÜÒºÖмÓÈëKSCNÈÜÒº¼ìÑé¸ÃÈÜÒºÊÇ·ñº¬ÓÐFe3£«

¢ÚÓÃÖ²ÎïÓÍ¡¢NaOHÈÜÒºÖÆÈ¡·ÊÔí

¢ÛÏòFeCl3±¥ºÍÈÜÒºÖеμÓNaOHÈÜÒºÖÆÈ¡Fe(OH)3½ºÌå

¢ÜÓÃÑæÉ«·´Ó¦¼ìÑéK£«Ê±Ðë͸¹ýÀ¶É«îܲ£Á§¹Û²ì

¢ÝÒºäåÓÃˮҺ·âºóÃÜ·â±£´æÔÚ×ØÉ«ÊÔ¼ÁÆ¿ÖÐ

¢ÞÏò»ìÓÐÒÒËáµÄÒÒËáÒÒõ¥ÖмÓÈëNaOHÈÜÒºÔÙ·ÖÒº£¬Ìá´¿ÒÒËáÒÒõ¥

A£®¢Ù¢Û¢Ý¢Þ¡¡¡¡¡¡¡¡¡¡¡¡¡¡                                     B£®¢Ú¢Ü¢Ý¢Þ

C£®¢Ù¢Ú¢Ü¢Ý       D£®¢Ù¢Û¢Ü¢Þ

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸