ÌâÄ¿ÄÚÈÝ
¸ßÌúËá¼Ø£¨K2FeO4£©ÊÇÒ»ÖÖÐÂÐÍ¡¢¸ßЧ¡¢¶à¹¦ÄÜË®´¦Àí¼Á£¬ÊDZÈCl2¡¢O3¡¢ClO2¡¢KMnO4Ñõ»¯ÐÔ¸üÇ¿£¬ÎÞ¶þ´ÎÎÛȾµÄÂÌÉ«´¦Àí¼Á¡£¹¤ÒµÊÇÏÈÖƵøßÌúËáÄÆ£¬È»ºóÔÚµÍÎÂÏ£¬ÔÚ¸ßÌúËáÄÆÈÜÒºÖмÓÈëKOHÖÁ±¥ºÍ¾Í¿ÉÎö³ö¸ßÌúËá¼Ø£¨K2FeO4£©¡£
ʪ·¨ÖƱ¸µÄÖ÷Òª·´Ó¦·½³ÌʽΪ£º 2Fe(OH)3+3ClO-+4OH-=2FeO42-+3Cl-+5H2O
¸É·¨ÖƱ¸µÄÖ÷Òª·´Ó¦·½³ÌʽΪ£º 2FeSO4+6Na2O2=2Na2FeO4+2Na2O+2Na2SO4+O2¡ü
ÏÂÁÐÓйØ˵·¨²»ÕýÈ·µÄÊÇ
- A.¸ßÌúËá¼ØÖÐÌúÏÔ+6¼Û
- B.ʪ·¨ÖÐÿÉú³É1 mol Na2FeO4תÒÆ3 molµç×Ó
- C.¸É·¨ÖÐÿÉú³É1 mol Na2FeO4תÒÆ4 molµç×Ó
- D.K2FeO4´¦Àíˮʱ£¬²»½öÄÜÏû¶¾É±¾ú£¬»¹ÄܳýȥˮÌåÖеÄH2S¡¢NH3µÈ£¬Éú³ÉµÄFe(OH)3»¹ÄÜÎü¸½Ë®ÖеÄÐü¸¡ÔÓÖÊ
C
A¡¢¸ù¾Ý¸ßÌúËá¼ØµÄ»¯Ñ§Ê½£¨K2FeO4£©¿ÉÖª£¬ÉèÌúÔªËصĻ¯ºÏ¼ÛΪx£¬Ôò+1¡Á2+x£«£¨-2£©¡Á4=0£¬½âµÃx=+6£¬¹ÊAÕýÈ·£»
B¡¢ÕýÈ·£¬ÌúÓÉ+3¼Û±ä³É+6¼Û£»
C¡¢²»ÕýÈ·£¬¸É·¨ÖÐÿÉú³É1 mol Na2FeO4תÒÆ£¨4+1£©="5" molµç×Ó£¬ÆäÖÐ1Ħµç×Óʽ¹ýÑõ»¯ÄÆ×Ô¼º-1¼ÛÑõ¼äתÒƵġ£
D¡¢ÕýÈ·¡£ÓëË®·´Ó¦Éú³ÉFe (OH)3ÄÜÎü¸½Ë®ÖеÄÐü¸¡ÔÓÖÊ,ÏÔÇ¿Ñõ»¯ÐÔ£¬½«»¹Ô¼ÁÑõ»¯¡£
A¡¢¸ù¾Ý¸ßÌúËá¼ØµÄ»¯Ñ§Ê½£¨K2FeO4£©¿ÉÖª£¬ÉèÌúÔªËصĻ¯ºÏ¼ÛΪx£¬Ôò+1¡Á2+x£«£¨-2£©¡Á4=0£¬½âµÃx=+6£¬¹ÊAÕýÈ·£»
B¡¢ÕýÈ·£¬ÌúÓÉ+3¼Û±ä³É+6¼Û£»
C¡¢²»ÕýÈ·£¬¸É·¨ÖÐÿÉú³É1 mol Na2FeO4תÒÆ£¨4+1£©="5" molµç×Ó£¬ÆäÖÐ1Ħµç×Óʽ¹ýÑõ»¯ÄÆ×Ô¼º-1¼ÛÑõ¼äתÒƵġ£
D¡¢ÕýÈ·¡£ÓëË®·´Ó¦Éú³ÉFe (OH)3ÄÜÎü¸½Ë®ÖеÄÐü¸¡ÔÓÖÊ,ÏÔÇ¿Ñõ»¯ÐÔ£¬½«»¹Ô¼ÁÑõ»¯¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿