FSC Part 1 Chemistry Chapter 10 Electrochemistry Online Test | ilmkidunya

Chemistry Fsc Part 1 Chapter 10 Online Test

Sr. #	Questions	Answers Choice
1	In a electrolytic cell the electrons flow from	Cathode to anode Anode to cathode From cathode to anode or opposite, depending upon the nature of electrolyte All of the above
2	When aqueous NaCl is electrolyzed, which of the following ions gas discharged at anode.	Cl- OH- Na+ H+
3	The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as.	Voltaic cell Denial cell dry Cell Electrolytic cell
4	The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as.	Voltaic cell Denial cell dry Cell Electrolytic cell
5	In which of the following changes, nitrogen in reduced.	NH3 to NO NH3 to NO3 N2 to NH3 N-3 to N2
6	What is oxidation state of chlorine in Ca(ClO3)2	+1 +3 +5 +7
7	In which compound oxidation state of chlorine is +5	NaCl HOCl NaClO3 NaClO2
8	In which compound the oxidation number of Mw is +6	KMnO4 K2MnO4 MnO2 MnO
9	What is the oxidation state of sulphur in SO3^2-	-4 -2 +2 +4
10	When an atom reacts chemically and loses one or more electrons it is.	Decomposed Reduced Oxidized Catalyzed
11	The gain of electron is known as.	Oxidation Reduction Dehydration Dehydrogenation
12	In given equation underlined element is. P+HNO3------------- H2PO4+NO+H2O	Oxidized Reduced Neither oxidized nor reduced Botha a and b
13	In the reaction 2Fe+3Cl2 ------------ FeCl2	Fe is reduced Fe is oxidized Cl2 is oxidized None of these happens
14	If strip of Cu metal is placed in the solution of FeSO4	Cu will be precipitated out Fe is precipitated out Cu and Fe both dissolves No reaction takes place
15	If salt bridge is not used between two half cells, than the voltage.	Decreases rapidly Decreases slowly Does not change Drops of zero
16	Which statements not correct about Galvanic cell.	Anode in negatively charge Reduction occur at anode Cathode is positively charged Reduction occur at cathode
17	The cathodic reaction in the electrolysis of dil H2SO4 with Pt electrodes is.	Reduction Oxidation Both oxidation or reduction Neither oxidation nor raduction

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