ÌâÄ¿ÄÚÈÝ
£¨12·Ö£©Ëæ×ŲÄÁÏ¿ÆѧµÄ·¢Õ¹£¬½ðÊô·°¼°Æ仯ºÏÎïµÃµ½ÁËÔ½À´Ô½¹ã·ºµÄÓ¦Ó㬲¢±»ÓþΪ¡°ºÏ½ðµÄάÉúËØ¡±¡£Îª»ØÊÕÀûÓú¬·°´ß»¯¼Á£¨º¬ÓÐV2O5¡¢VOSO4¼°²»ÈÜÐÔ²ÐÔü£©£¬¿ÆÑÐÈËÔ±×îÐÂÑÐÖÆÁËÒ»ÖÖÀë×Ó½»»»·¨»ØÊÕ·°µÄй¤ÒÕ£¬»ØÊÕÂÊ´ï91.7%ÒÔÉÏ¡£
²¿·Öº¬·°ÎïÖÊÔÚË®ÖеÄÈܽâÐÔÈçϱíËùʾ£º
¸Ã¹¤ÒÕµÄÖ÷ÒªÁ÷³ÌÈçÏ¡£
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Çëд³ö¼ÓÈëNa2SO3ÈÜÒº·¢Éú·´Ó¦µÄÀë×Ó·½³Ìʽ ¡£
£¨2£©´ß»¯Ñõ»¯ËùʹÓõĴ߻¯¼Á·°´¥Ã½(V2O5)Äܼӿì¶þÑõ»¯ÁòÑõ»¯ËÙÂÊ£¬´Ë¹ý³ÌÖвúÉúÁËÒ»Á¬´®µÄÖмäÌ壨ÈçÏÂ×óͼ£©¡£ÆäÖÐa¡¢c¶þ²½µÄ»¯Ñ§·½³Ìʽ¿É±íʾΪ
£¬ ¡£
£¨3£©¸Ã¹¤ÒÕÖгÁ·¯ÂÊÊÇ»ØÊÕ·°µÄ¹Ø¼üÖ®Ò»£¬³Á·°ÂʵĸߵͳýÊÜÈÜÒºpHÓ°ÏìÍ⣬»¹ÐèÒª¿ØÖÆÂÈ»¯ï§ÏµÊý£¨NH4Cl¼ÓÈëÖÊÁ¿ÓëÁÏÒºÖÐV2O5µÄÖÊÁ¿±È£©ºÍζȡ£¸ù¾ÝÉÏÓÒͼÊÔ½¨Òé¿ØÖÆÂÈ»¯ï§ÏµÊýºÍζȣº ¡¢ ¡£
£¨4£©¾¹ýÈÈÖØ·ÖÎö²âµÃ£ºNH4VO3ÔÚ±ºÉÕ¹ý³ÌÖУ¬¹ÌÌåÖÊÁ¿µÄ¼õÉÙÖµ£¨×Ý×ø±ê£©Ëæζȱ仯µÄÇúÏßÈçÓÒͼËùʾ¡£ÔòNH4VO3ÔÚ·Ö½â¹ý³ÌÖÐ ¡£
A£®ÏÈ·Ö½âʧȥH2O£¬ÔÙ·Ö½âʧȥNH3
B£®ÏÈ·Ö½âʧȥNH3£¬ÔÙ·Ö½âʧȥH2O
C£®Í¬Ê±·Ö½âʧȥH2OºÍNH3
D£®Í¬Ê±·Ö½âʧȥH2¡¢N2ºÍH2O
²¿·Öº¬·°ÎïÖÊÔÚË®ÖеÄÈܽâÐÔÈçϱíËùʾ£º
ÎïÖÊ | VOSO4 | V2O5 | NH4VO3 | (VO2)2SO4 |
ÈܽâÐÔ | ¿ÉÈÜ | ÄÑÈÜ | ÄÑÈÜ | Ò×ÈÜ |
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Çëд³ö¼ÓÈëNa2SO3ÈÜÒº·¢Éú·´Ó¦µÄÀë×Ó·½³Ìʽ ¡£
£¨2£©´ß»¯Ñõ»¯ËùʹÓõĴ߻¯¼Á·°´¥Ã½(V2O5)Äܼӿì¶þÑõ»¯ÁòÑõ»¯ËÙÂÊ£¬´Ë¹ý³ÌÖвúÉúÁËÒ»Á¬´®µÄÖмäÌ壨ÈçÏÂ×óͼ£©¡£ÆäÖÐa¡¢c¶þ²½µÄ»¯Ñ§·½³Ìʽ¿É±íʾΪ
£¬ ¡£
£¨3£©¸Ã¹¤ÒÕÖгÁ·¯ÂÊÊÇ»ØÊÕ·°µÄ¹Ø¼üÖ®Ò»£¬³Á·°ÂʵĸߵͳýÊÜÈÜÒºpHÓ°ÏìÍ⣬»¹ÐèÒª¿ØÖÆÂÈ»¯ï§ÏµÊý£¨NH4Cl¼ÓÈëÖÊÁ¿ÓëÁÏÒºÖÐV2O5µÄÖÊÁ¿±È£©ºÍζȡ£¸ù¾ÝÉÏÓÒͼÊÔ½¨Òé¿ØÖÆÂÈ»¯ï§ÏµÊýºÍζȣº ¡¢ ¡£
£¨4£©¾¹ýÈÈÖØ·ÖÎö²âµÃ£ºNH4VO3ÔÚ±ºÉÕ¹ý³ÌÖУ¬¹ÌÌåÖÊÁ¿µÄ¼õÉÙÖµ£¨×Ý×ø±ê£©Ëæζȱ仯µÄÇúÏßÈçÓÒͼËùʾ¡£ÔòNH4VO3ÔÚ·Ö½â¹ý³ÌÖÐ ¡£
A£®ÏÈ·Ö½âʧȥH2O£¬ÔÙ·Ö½âʧȥNH3
B£®ÏÈ·Ö½âʧȥNH3£¬ÔÙ·Ö½âʧȥH2O
C£®Í¬Ê±·Ö½âʧȥH2OºÍNH3
D£®Í¬Ê±·Ö½âʧȥH2¡¢N2ºÍH2O
£¨1£©V2O5+ SO32¡ª+4H+=2VO2++SO42¡ª+2H2O
£¨2£©SO2+V2O5SO3+ V2O4 4VOSO4+O22V2O5+4SO3
£¨3£©4ºÍ80¡æ £¨4£© B
£¨2£©SO2+V2O5SO3+ V2O4 4VOSO4+O22V2O5+4SO3
£¨3£©4ºÍ80¡æ £¨4£© B
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿