已知Eө (Fe3+/ Fe2+)=0.77V,Eө (Cl2/Cl-)=1.358V,Eө (I2/I- )=0. 535V,Eө(Sn4+/Sn2+)=0.151V; Cl2 、Fe3+、I2 、Sn4+氧化性由强到弱顺序为( )。 -题库考试答案搜索网

已知Eө (Fe3+/ Fe2+)=0.77V,Eө (Cl2/Cl-)=1.358V,Eө (I2/I- )=0. 535V,Eө(Sn4+/Sn2+)=0.151V; Cl2 、Fe3+、I2 、Sn4+氧化性由强到弱顺序为( )。

单选题

2021-09-01 23:50

A、Cl2 > Fe3+ > I2 > Sn4+
B、Cl2 > I2 > Fe3+ > Sn4+
C、Sn4+ > I2 > Fe3+ > Cl2
D、Fe3+ > Cl2 > I2 > Sn4+

查看答案

正确答案

A

试题解析

标签：青书学堂齐齐哈尔医学院无机化学

感兴趣题目

已知E(Ce4+/Ce3+)=1.44V，E(Fe3+/Fe2+)=0.68V,则反应Ce4++Fe2+=Ce3++Fe3+在化学计量点时溶液中c(Fe3+)/c(Fe2+)为（　）

电解法制取铜粉，由于Εfe3+/Fe2+=0.771V，ΕCu2+/Cu=0.337V，故电解质溶液中的Fe3+会在阴极还原为Fe。

已知在C（HCl）=1mol/L的HCl溶液中：ΦCr2O72-/Cr3+=1.00V，ΦFe3+/Fe2+=0.68V。若以K2CrO7滴定Fe2+时，选择下列指示剂中的哪一种最适合。（）

用铈量法测定H2SO4介质中Fe2+，当滴定至化学计量点的电位值为（）（φ＇Fe3+/Fe2+=0.68Vφ＇C、e4+/C、e3+=1.44V）

在1mol·L-1的H2SO4溶液中，EθCe4’+/Ce3+=1.44V；EθFe3+/Fe2+’=0.68V；以Ce4+滴定Fe2+时，最适宜的指示剂为（）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

相关题目: boost的意思是:help or encourage to increase or improve; eloquent的意思是:fluent or persuasive in speaking or writing; A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.; 以电对MnO4-/Mn2+与Fe3+/Fe2+组成原电池,已知Eθ(MnO4-/Mn2+)>Eθ(Fe3+/Fe2+),则反应物是; 标准状态时,Eө (Ni2+/Ni)=-0.257V,Eө (Pb2+/Pb)=-0.1262V,Ni2+/Ni与Pb2+/Pb组成的原电池,正极为( )。; 已知Eө (Fe3+/ Fe2+)=0.77V,Eө (Cl2/Cl-)=1.358V,Eө (I2/I- )=0. 535V,Eө(Sn4+/Sn2+)=0.151V; Cl2 、Fe3+、I2 、Sn4+氧化性由强到弱顺序为( )。; 已知 (Cu2+/Cu) = 0.34 V,(Fe3+/Fe2+) = 0.77 V,(Ag+/Ag) = 0.80 V。在标准状态下,下列各组物质中不可能共存的是; Fe3+与Sn2+反应的平衡常数对数值(lgK)为 ( ) ((Fe3+/Fe2+)= 0.77 V,(Sn4+/Sn2+)= 0.15 V); 已知Fe3++e ＝ Fe2+，EΘ＝ 0770V，测定一个Fe3+/Fe2+电极电势E＝ 0750 V，则溶液中必定是c(Fe3+)/ c( Fe2+)＜1; 已知1 mol·L-1 HCl介质中,E(Fe3+/ Fe2+)=068V, E(Sn4+/ Sn 2+)=014V,则以Fe3+滴定Sn 2+时计量点电位为___。; （）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．; Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.; 已知A=40；B=30；C=100；D=50，逻辑“与”运算符为and，“或”运算符为or，“非”运算符为not。计算表达式（A>B+20）or（B+60<>; Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.; 系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。; The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.; 已知AL=01000001B，执行指令“OR AL，20H”后，AL等于多少？; You intend to discharge medical or hazardous wastes ashore MARPOL annex V requires you to notify a receiving port or terminal in advance.How much advance notice require?（）; Shutdown price（or point，or rule）停业价格（或停业点、停业原则）; 翻译：With Average or With Particular Average（WA or WPA）（）

广告位招租WX:84302438

题库考试答案搜索网

免费的网站请分享给朋友吧