ÏÂÁÐʵÑéÏÖÏóÃèÊö²»ÕýÈ·µÄÊÇ( )

Ñ¡Ïî

ʵÑé

ÏÖÏó

A

¼ÓÈÈ·ÅÔÚÛáÛöÖеÄС¿éÄÆ

ÄÆÏÈÈÛ»¯³É¹âÁÁµÄСÇò£¬È¼ÉÕʱ£¬»ðÑæΪ»ÆÉ«£¬È¼ÉÕºó£¬Éú³Éµ­»ÆÉ«¹ÌÌå

B

Ôھƾ«µÆÉϼÓÈÈÂÁ²­

ÂÁ²­ÈÛ»¯£¬Ê§È¥¹âÔó£¬ÈÛ»¯µÄÂÁ²¢²»µÎÂ䣬ºÃÏñÓÐÒ»²ãĤ¶µ×Å

C

ÔÚFeCl2ÈÜÒºÖеÎÈëNaOHÈÜÒº

ÏÈÉú³É°×É«³Áµí£¬³ÁµíºÜ¿ì±äΪ»ÒÂÌÉ«£¬×îºó±äΪºìºÖÉ«

D

ÔÚ¿ÕÆøÖоÃÖõÄÂÁÌõ·ÅÈëNaOHÈÜÒºÖÐ

Á¢¿Ì²úÉú´óÁ¿ÎÞÉ«ÆøÅÝ£¬ÂÁÌõÖð½¥±äϸ£¬ÂÁÌõÖð½¥·¢ÈÈ

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2016-2017ѧÄêºþÄÏÊ¡¸ßÒ»12ÔÂÔ¿¼»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

Fe(OH)2ºÜ²»Îȶ¨£¬Â¶ÖÃÔÚ¿ÕÆøÖÐÈÝÒ×±»Ñõ»¯£¬Fe(OH)2±»Ñõ»¯µÄ»¯Ñ§·½³ÌΪ£º ¡£ÎªÁË»ñµÃ°×É«µÄFe(OH)2³Áµí£¬¿ÉÒÔÓò»º¬Fe3+µÄFeSO4ÈÜÒºÓëÓò»º¬O2µÄÕôÁóË®ÅäÖƵÄNaOHÈÜÒº·´Ó¦ÖƱ¸¡£

(1)Ϊ·ÀÖ¹FeSO4ÈÜÒºÖк¬ÓÐFe3+£¬³£ÔÚÆäÈÜÒºÖмÓÈë________________¡£

(2)³ýÈ¥ÕôÁóË®ÖÐÈܽâµÄO2³£²ÉÓà µÄ·½·¨¡£

(3)Éú³É°×É«Fe(OH)2³ÁµíµÄ²Ù×÷ÊÇÓó¤µÎ¹ÜÎüÈ¡²»º¬O2µÄNaOHÈÜÒº£¬²åÈëFeSO4 ÈÜÒºÒºÃæÏ£¬ÔÙ¼·³öNaOHÈÜÒº£¬ÕâÑù²Ù×÷µÄÀíÓÉÊÇ ¡£

(4)¼ìÑéFeSO4ÈÜÒºÖÐÊÇ·ñÓÐFe3+´æÔÚµÄ×î¼ÑÊÔ¼ÁÊÇ ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2016-2017ѧÄêºþÄÏä¯ÑôÒ»ÖеÈÁ½Ð£¸ß¶þ12ÔÂÁª¿¼»¯Ñ§¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

Ïò´¿Ë®ÖмÓÈëÉÙÁ¿NaHSO4£¬ÔÚζȲ»±äʱ£¬ÈÜÒºÖÐ ( )

A£®c(H£«)/c(OH£­)Ôö´ó B£®c(H£«)¼õС

C£®Ë®ÖÐc(H£«)Óëc(OH£­)µÄ³Ë»ýÔö´ó D£®c(OH£­)Ôö´ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2016-2017ѧÄêºÚÁú½­¹þ¶û±õÁùÖиßÒ»ÉÏÆÚÄ©»¯Ñ§¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

½«Ò»¶¨ÖÊÁ¿µÄMgºÍAlµÄ»ìºÏÎïͶÈë500 mLÏ¡ÁòËáÖУ¬¹ÌÌåÈ«²¿ÈܽⲢ²úÉúÆøÌå¡£´ý·´Ó¦ÍêÈ«ºó£¬ÏòËùµÃÈÜÒºÖмÓÈëNaOHÈÜÒº£¬Éú³É³ÁµíµÄÎïÖʵÄÁ¿Óë¼ÓÈëNaOHÈÜÒºµÄÌå»ý¹ØϵÈçÏÂͼËùʾ¡£ÔòÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ( )

A£®MgºÍAlµÄ×ÜÖÊÁ¿Îª8 g

B£®Ô­Ï¡ÁòËáÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈΪ5 mol¡¤L£­1

C£®Éú³ÉµÄH2ÔÚ±ê×¼×´¿öϵÄÌå»ýΪ11.2 L

D£®NaOHÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶ÈΪ5 mol¡¤L£­1

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2016-2017ѧÄêºÚÁú½­¹þ¶û±õÁùÖиßÒ»ÉÏÆÚÄ©»¯Ñ§¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÓɶþÑõ»¯¹èÖƸߴ¿¹èµÄÁ÷³ÌÈçÏ£¬ÏÂÁÐÅжÏÖдíÎóµÄÊÇ( )

A£®¢Ù¢Ú¢Û¾ùÊôÓÚÑõ»¯»¹Ô­·´Ó¦

B£®H2ºÍHCl¾ù¿ÉÑ­»·ÀûÓÃ

C£®SiO2ÊÇÒ»ÖÖ¼áÓ²ÄÑÈ۵ĹÌÌå

D£®SiHCl3Ħ¶ûÖÊÁ¿Îª135.5 g

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2016-2017ѧÄêºÚÁú½­¹þ¶û±õÁùÖиßÒ»ÉÏÆÚÄ©»¯Ñ§¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂÁÐÀë×Ó·½³ÌʽÊéдÕýÈ·µÄÊÇ( )

A£®ÂÈÆøͨÈëË®ÖУºCl2£«H2O=2H£«£«Cl£­£«ClO£­

B£®ÌúºÍÏ¡ÏõËá·´Ó¦£ºFe£«2H£«=Fe2£«£«H2¡ü

C£®Ì¼Ëá¸ÆÓë´×Ëá·´Ó¦£ºCaCO3£«2H£«=Ca2£«£«CO2¡ü£«H2O

D£®ÇâÑõ»¯ÂÁºÍÇâÑõ»¯ÄÆÈÜÒº·´Ó¦£ºAl(OH)3£«OH£­=AlO£«2H2O

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2017½ì½­Î÷Ê¡¸ßÈýÉÏÔ¿¼Î廯ѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ËáÐÔKMnO4¡¢H2O2ÔÚÉú²ú¡¢Éú»î¡¢ÎÀÉúÒ½ÁÆÖг£ÓÃ×÷Ïû¶¾¼Á£¬ÆäÖÐH2O2»¹¿ÉÓÃÓÚƯ°×£¬ÊÇ»¯Ñ§ÊµÑéÊÒÀï±Ø±¸µÄÖØÒªÑõ»¯ÊÔ¼Á¡£¸ßÃÌËá¼ØÔì³ÉµÄÎÛ×Õ¿ÉÓû¹Ô­ÐԵIJÝËá(H2C2O4 )È¥³ý£¬Fe(NO3)3Ò²ÊÇÖØÒªÑõ»¯ÊÔ¼Á£¬ÏÂÃæÊǶÔÕâÈýÖÖÑõ»¯¼ÁÐÔÖʵÄ̽¾¿¡£

(1)ijͬѧÏò½þÅÝͭƬµÄÏ¡ÑÎËáÖмÓÈëH2O2ºó£¬Í­Æ¬Èܽ⣬д³ö¸Ã·´Ó¦µÄÀë×Ó·½³Ìʽ____________________,Ñõ»¯²úÎïÓ뻹ԭ²úÎïµÄÎïÖʵÄÁ¿Ö®±È_________.

(2)È¡300 mL 0.2 mol/LµÄKIÈÜÒºÓëÒ»¶¨Á¿µÄËáÐÔKMnO4ÈÜҺǡºÃ·´Ó¦£¬Éú³ÉµÈÎïÖʵÄÁ¿µÄI2ºÍKIO3£¬ÔòתÒƵç×ÓµÄÎïÖʵÄÁ¿µÄÊÇ________mol¡£

(3)²â¶¨KMnO4ÑùÆ·µÄ´¿¶È¿ÉÓñê×¼Na2S2O3ÈÜÒº½øÐе樣¬È¡0.474 g KMnO4ÑùÆ·ÈܽâËữºó£¬ÓÃ0.100 mol/L±ê×¼Na2S2O3ÈÜÒº½øÐе樣¬±ê×¼Na2S2O3ÈÜҺӦʢװÔÚ________(Ìî¡°Ëáʽ¡±»ò¡°¼îʽ¡±)µÎ¶¨¹ÜÖС£ÊµÑéÖУ¬µÎ¶¨ÖÁÖÕµãʱÏûºÄNa2S2O3ÈÜÒº12.00 mL£¬Ôò¸ÃÑùÆ·ÖÐKMnO4µÄÎïÖʵÄÁ¿ÊÇ________¡£(ÓйØÀë×Ó·½³ÌʽΪ£º8MnO£«5S2O£«14H£«£½8Mn2£«£«10SO£«7H2O¡£

(4)Mg£­H2O2ËáÐÔµç³Ø²ÉÓú£Ë®×÷µç½âÖÊÈÜÒº(¼ÓÈëÒ»¶¨Á¿µÄÏ¡ÁòËá)£¬¸Ãµç³ØµÄÕý¼«µÄ·´Ó¦Ê½Îª_______________¡£·ÅµçʱÕý¼«¸½½üÈÜÒºµÄPH________¡£

(5)ÔÚFe(NO3)3ÈÜÒºÖмÓÈëNa2SO3ÈÜÒº£¬ÈÜÒºÏÈÓÉ×Ø»ÆÉ«±äΪdzÂÌÉ«£¬¹ýÒ»»áÓÖ±äΪ×Ø»ÆÉ«£¬ÈÜÒºÏȱäΪdzÂÌÉ«µÄÔ­ÒòÊÇ_________________£¬ÓÖ±äΪ×Ø»ÆÉ«µÄÀë×Ó·½³ÌʽÊÇ_________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2017½ì½­Î÷Ê¡¸ßÈýÉÏÔ¿¼Èý»¯Ñ§ÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

¶ÌÖÜÆÚÔªËØW¡¢X¡¢Y¡¢ZµÄÔ­×ÓÐòÊýÒÀ´ÎÔö´ó£¬WµÄµ¥ÖÊÊÇ¿ÕÆøÖÐÌå»ý·ÖÊý×î´óµÄÆøÌ壬WÓëY×îÍâ²ãµç×ÓÊýÖ®ºÍΪX×îÍâ²ãµç×ÓÊýµÄ2±¶£¬X¡¢Y¡¢Z¼òµ¥Àë×ӵĵç×Ó²ã½á¹¹Ïàͬ£¬Z×îÍâ²ãµç×ÓÊýµÈÓÚ×îÄÚ²ãµç×ÓÊý¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ( )

A. µ¥ÖÊZ¿ÉÓú£Ë®×÷Ô­ÁÏ»ñµÃ

B. WµÄ¼òµ¥Æø̬Ç⻯Îï±ÈYµÄ¼òµ¥Æø̬Ç⻯ÎïÎȶ¨

C. Ô­×Ӱ뾶ÓÉ´óµ½Ð¡µÄ˳Ðò£ºZ¡¢Y¡¢X¡¢W

D. WXÓëZXÖеĻ¯Ñ§¼üÀàÐÍÏàͬ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2016-2017ѧÄêÉÂÎ÷Ê¡¸ß¶þÉÏÆÚÖл¯Ñ§¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÒÑÖªÏÂÃæÈý¸öÊý¾Ý£º7.2¡Á10-4¡¢4.6¡Á10-4¡¢4.9¡Á10-10·Ö±ðÊÇÏÂÁÐÓйصÄÈýÖÖËáµÄµçÀë³£Êý£¬ÈôÒÑÖªÏÂÁз´Ó¦¿ÉÒÔ·¢Éú£º

¢ÙNaCN£«HNO2HCN£«NaNO2

¢ÚNaCN£«HFHCN£«NaF

¢ÛNaNO2£«HFHNO2£«NaF

ÓÉ´Ë¿ÉÅжÏÏÂÁÐÐðÊö²»ÕýÈ·µÄÊÇ ( )

A£®K(HCN)=7.2¡Á10£­4

B£®K(HCN)<K(HF)<K(HNO2)

C£®Í¬Å¨¶ÈµÄÈýÖÖÑÎÈÜÒº£¬pH(NaNO2)<pH(NaF)<pH(NaCN)

D£®ÈôÒÑÖªËáÐÔ£ºCH3COOH<HNO2£¬Ôò¿ÉÒÔ·¢Éú·´Ó¦HF+CH3COONaNaF+CH3COOH

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸