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• 己知鹼性溶液中 則下列各項敘述中,何者為正確?(A)在 溶液中, 是比 較強的選原劑(B)在 溶液中, 是比 較強的還原劑(C)在鹼性溶液中, 可進行自身氣化還原變成MnO2和 (D)在鹼性溶液
• 在25°C,方程式 的平衡常數K=0.034,其中 之單位為M， 之單位為atm,下列敘述何者正確?(A)25°C,latm的二氧化碳在水中的溶解度為0.034M(B)25°C,latm的二氧化
• 氣氣與氣氣作用生成氣化氣,為放熱反應,可以下列二式表示: 若式(1)及式(2)之平衡常數分別為KK2其正反應之速率常數分別為KK2,則在相同實驗條件下,下列敘述何者正確?(A)K1=K2
• 一溶液中 及 的莫耳濃度相同。加過氣酸於此溶液中直至 莫耳濃度 ,下列各項關係式,何者正確? (A) (B) (C) (D) (E)
• 在下列平衡系中,所加措施,何者可使反應向右移以達新平衡?(A) (B) (C) (D) (E)
• 下列何反應可產生氣體,且生成之氣體過水呈酸性?(A)電解HF水溶液 (B)銅與濃硫酸共熱(C)硫粉和濃硝酸共熱 (D) (E)CaC2+H2O
• 下列有關實驗方法或操作,何者為正確?(A)用己烷做溶劑,不慎著火時,應立即沖水滅火(B)手上不慎沾到氫氧化鈉水溶液,應立即以鹽酸中和(C)以過錳酸鉀溶液進行氧化還原滴定時,常在酸性溶液中進行,常
• 下列各項反應系中,何者在加入澱粉溶液時有顯著的藍色出現?(A)於3毫升O.1MKI中,加2毫升6MKOH(B)於2毫升0.1MKI中,加2毫升0.1MAgNO3(C)於3毫升0.1MKI中,加2
• 在溶液凝固點下降的測定實驗中,選用了環己烷當作溶劑,並分成三組進行實驗,實驗數據如表所示: ,根據實驗數據,則下列敘述何者“不”正確?(A)萘溶液的重量莫耳濃度為015m(B)碘溶液的重量莫耳濃
• 將Ba(NO3)2溶液(0.10M)分別滴入下列各溶液,何者產生沉澱?(A)含 K2CrO4溶液(0.1M)10滴及NOH溶液(1M)2滴(B)含K2CrO4溶液(0.1M)10滴及HCI溶液(

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• 某生欲分辨甲、乙、丙、丁、戊五瓶未知物只知這五瓶為正丁醇、2-丁醇、2-甲基2-丁醇、2-戊烯及乙醚,該生經由下列實驗來鑑別:實驗一:各取少許未知物,分别加入澳的四氣化碳溶液,發現只有戊可使溶液
• 下列反應,何者不會放出酸性或齡性氣體反應產物?(A)將碳酸氣鈣水溶液加熱至沸騰 (B)加熱 Cr(OH)3 (C)苯和濃硫酸加熱 (D)甲烷和氣氣在紫外光照射下(E)在FeCl3觸媒下,苯和氣氣
• 用28克KIO3加水配成1公升(甲)水溶另用190克Na2S2O0克可溶性澱粉及5毫升之1M硫酸混合而加水配成1升()水溶液則下列各項實驗記錄中,何者為正確?(A)10毫升(甲)與1
• 下列有關分子或錯離子的幾何結構及其中心原子所使用的混成軌域之敘述,何者正確?(A) (B)SF6:正八面體、d2sp3 (C)NH3:角錐形、sp3 (D) (E)SO3:平面三角形、sp2
• 已知氣態氣化氣通入水中溶解成酸性溶液時,放出熱量。有關下列五個反應: 之反應熱△H1,△H2,△H3,△H4,△H5之間,下列各種關係中,何者正確?(A)△H1+ △H2+ △H3+△H4+△H
• 下列兩個化學反應(1)及(2)中,△H1及△H2為各反應的反應熱:  當温度下降時反應(1)的平衡向右移動,反應(2)的平衡反而向左移動,根據此事實,則下列三個反應的反應熱△H3,△H4及△H5
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