During electrolysis, which the species are discharged at cathode? -Do You Know?

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Description : During electrolysis, which the species are discharged at cathode?

Last Answer : Cations

Description : During electrolysis, which the species are discharged at cathode?

Last Answer : Cations

Description : During electrolysis, the cations and anions of the electrolyte are 1. Discharged 2. Hydrolysed 3. In motion 4. Hydrated The correct answers are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 2

Last Answer : Ans:(a)

Description : How could we prevent H+ ions to be discharged first than Na+ during electrolysis of aqueous solution of NaCl?

Last Answer : Ans: This could be prevented by using mercury cathode during this kind of electrolysis, because H+ ions need high voltage to be discharged at mercury cathode. In this way sodium got discharged at cathode despite H+ ions.

Description : During electrolysis of aqeous solution of NaCl, there are two type of anions are present Cl- and –OH, Cl- is discharged first than –OH,although it is present below Cl- in electrochemical series. Give reason.

Last Answer : Ans: During this electrolysis process Chloride ions come from NaCl, which is a strong electrolyte and ionize to large extent so concentration of chloride ions in solution will be high. ... chloride ions it is first discharged despite of its presence above than hydroxyl in electrochemical series.

Description : Ions moving towards the cathode during electrolysis of an aqueous solution of Ca(OH)2 are (a) OH (b) H+ (c) Ca2+ (d) 02

Last Answer : Ans:(a)

Description : During electrolysis of water, what gas is evolved fro the cathode?

Last Answer : ANSWER: HYDROGEN

Description : Electrolysis is an impotant technique for extraction of metals, and each of the solution needs a minimum voltage to get discharged and this value is e

Last Answer : Electrolysis is an impotant technique for extraction of metals, and each of the solution needs a minimum voltage to get ... 3)` D. `H_(2)S_(2)O_(8)`

Description : Electrolysis is an impotant technique for extraction of metals, and each of the solution needs a minimum voltage to get discharged and this value is e

Last Answer : Electrolysis is an impotant technique for extraction of metals, and each of the solution needs a minimum voltage to get ... ,H_(2)` D. `O_(2),H_(2)`

Description : Electrolysis is an impotant technique for extraction of metals, and each of the solution needs a minimum voltage to get discharged and this value is e

Last Answer : Electrolysis is an impotant technique for extraction of metals, and each of the solution needs a minimum voltage to get ... ` C. `Br_(2)` D. `O_(2)`

Description : (3) made cathode and a pure nickel red, the anode Explanation: Electroplating is the deposition by electrolysis of a coating of metal upon a conducting surface. The simplest system makes the object to be ... on the spoon is called reduction and, therefore, the spoon is also referred to as a cathode.

Last Answer : Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide

Description : Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at eathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

Last Answer : (1) Copper at eathode and oxygen at anode. Explanation: Copper is deposited at the cathode and is dissolved at the anode. Consequently the concentration of copper ions in solution remains constant. This can be used as a method of purification of copper as only pure copper is deposited at the cathode

Description : What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell? (A) Cl2 & Na (B) Cl2 & H2 (C) O2 & H2 (D) Cl2 , H2 & NaOH solution

Last Answer : (D) Cl2 , H2 & NaOH solution

Description : What substance is produced at the cathode in the electrolysis of molten sodium chloride?

Last Answer : ANSWER: SODIUM

Description : Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at cathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

Last Answer : Copper at cathode and oxygen at anode.

Description : What is a strong argument for the particle nature of cathode rays? -Do You Know?

Last Answer : answer:

Description : The specific gravity of the electrolyte solution in a lead acid battery _____________. A. is not effected during charging B. remains the same during discharge C. would read close to 1.830 when discharged D. gives an indication of the state of charge of the battery

Last Answer : Answer: D

Description : Calculate the labour turnover rate according to Separation method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left ... engaged for an  expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%

Last Answer : (a) 4.55%

Description : Calculate the labour turnover rate according to replacement method from the following: No. of workers on the payroll: - At the beginning of the month: 500 - At the end of the month: 600 During the month, 5 workers left ... engaged for an expansion scheme. (a) 4.55% (b) 1.82% (c) 6% (d) 3%

Last Answer : (b) 1.82%

Description : Calculate workers left and discharged from the following: Labour turnover rates are 20%, 10% and 6% respectively under Flux method, Replacement method and  Separation method. No. of workers replaced during the quarter is 80. (a) 112 (b) 80 (c) 48 (d) 64

Last Answer : (c) 48

Description : The cathode used in the electrolytic cell during aluminium extraction is made of

Last Answer : The cathode used in the electrolytic cell during aluminium extraction is made of A. Aluminium B. Carbon lining C. Iron D. Steel

Description : Which one of the following statements concerning glutamine is correct? (A) Contains three tetratable groups (B) Is classified as an acidic amino acid (C) Contains an amide group (D) Migrates to the cathode during electrophoresis at pH 7.0

Last Answer : Answer : C

Description : Radiations which is not emitted during radioactivity is – (1) α rays (2) β rays (3) γ rays (4) Cathode rays

Last Answer : (4) Cathode rays Explanation: Radioactivity is the process by which a nucleus of an unstable atom loses energy by emitting particles of ionizing radiation. It includes the emission of energetic alpha particles (α), beta particles (β), and gamma rays.

Description : A gas P is obtained at anode during the electrolysis of brine. The gas P when treated with excess of `NH_3` released a diatomic gas Q. Find the value

Last Answer : A gas P is obtained at anode during the electrolysis of brine. The gas P when treated with excess of `NH_3` ... x & y are the molar mass of P and Q.

Description : During the electrolysis of carnallite , `MgCl_(2)` is decomposed and not KCl . This is because of :

Last Answer : During the electrolysis of carnallite , `MgCl_(2)` is decomposed and not KCl . This is because of : A. lower ... both (A) and (B) D. none of the above

Description : Statement-1: Sodium chloride is added during electrolysis of fused anhdrous magnesium chloride. Statement-2: Anhydous magnesium chloride is obtained b

Last Answer : Statement-1: Sodium chloride is added during electrolysis of fused anhdrous magnesium chloride. Statement-2: ... -1 is false but Statement -2 is true

Description : Oxygen and hydrogen gases are produced at the anode and cathod erespectively during electrolysis of dilute aq. Solution of

Last Answer : Oxygen and hydrogen gases are produced at the anode and cathod erespectively during electrolysis of dilute aq. Solution ... (3)` C. HCl D. `CuSO_(4)`

Description : What does common salt break into during electrolysis of its solution?

Last Answer : The products of the electrolysis are sodium hydroxide and chlorine.

Description : What is used to break down compounds into elements during electrolysis?

Last Answer : nv hv

Description : What is used to break down compounds into elements during electrolysis?

Last Answer : nv hv

Description : Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

Last Answer : (C) H2

Description : Wet chlorine gas produced during electrolysis of brine is dehydrated by (A) Spraying 66° Be H2SO4 counter current to the flow of the gas (B) Passing it through a bed of diatomaceous earth (C) Passing it through a bed of silica gel (D) None of these

Last Answer : (A) Spraying 66° Be H2SO4 counter current to the flow of the gas

Description : Why sulphuric acid is added to the water during electrolysis of water?

Last Answer : Ans: It is added to increase conduction of the water, because water is a weak electrolyte.

Description : Why carbon electrode is used during electrolysis of Nacl, instead of Pt electrode?

Last Answer : Ans: During electrolysis of Nacl, chlorine gas is produced at anode. Thus to avoid it’s reaction with platinum we use carbon electrode.

Description : During the electrolysis of a dilute aqueous solution of sulfuric acid, what happens to the sulfuric acid concentration? 

Last Answer : ANSWER: IT REMAINS THE SAME

Description : Why the blue colour of CuSO4 turns colourless during electrolysis of CuSO4 solution by platinum electrode.

Last Answer : The platinum electrodes are inert. Hence does not dissolve into the solution. The Cu++ ions (blue) present in the solution are discharged on the surface of cathode & OH - are ... a result of this electrolysis, blue coloured CuSO4 solution is slowly converted into colorless H2SO4 solution.

Description : When soldiers are discharged from the military, do they receive any kind of counseling?

Last Answer : They can get counselling but it isn't always very effective. There are just so many of them from so many wars. There was an interesting article in the New Yorker a few years ago. It is ... in Iraq and Afghanistan and they reckon there could be half a million with psychological problems as a result.

Description : Is there any way to find out why a Marine was discharged from service?

Last Answer : God I hope not. I would like to think that information is kept private to the officer and his superiors.

Description : Do the military predators caught on Dateline NBC get dishonorably discharged?

Last Answer : I’m almost positive they get dishonorably discharged for a felony.

Description : What is the percentage of hospital ambulance admissions that are discharged the next day?

Last Answer : You could try this as a starting point for your research. Probabilistic Linkage of Computerized Ambulance and Inpatient Hospital Discharge Records: A Potential Tool for Evaluation of Emergency Medical ... 2001) - Copyright © 2001 American College of Emergency Physicians - About This Journal

Description : When you don't heat in the barracks, do you drain water during the summer? Then won't the pipes cut from the inside?

Last Answer : Quite the opposite. If you drain the heating water after the heating season, there is a high probability that the pipes rust (air access) and after refilling, the scales peel off, which can clog the circulation pump and others.

Description : How to recover non-rechargeable pencil batteries?

Last Answer : For a moment, just warm them up. But there is a risk that they will leak, crack, damage the device. For a while you can take the TV driver, they tend to be low.

Description : What to do when inverter battery is fully discharged?

Last Answer : If the inverter battery is fully discharged then the inverter or UPS should put to OFF position and charge the inverter for enough time before putting it ON again. If the inverter is unable to charge the battery then you may charge it using another charger or inverter. Then connect it back again.

Description : Wastes may be sealed in concrete-filled drums and discharged to a depth of about 500 m. This specific statement is true for

Last Answer : Wastes may be sealed in concrete-filled drums and discharged to a depth of about 500 m ... C. Particle pollutants D. All radioactive pollutants

Description : What kind of molecule is formed when many discharged molecule are combined?

Last Answer : Need answer

Description : How can i find the enlistment of a royal navy rigger whowas discharged in 1831?

Last Answer : Discover if your ancestor was serving in the British Royal Navyin April 1831. Search over 66,000 records to find where they wereand what their rank was at that moment in time.

Description : Are discharged reservists considered veterans?

Last Answer : Need answer

Description : When did MacArthur get discharged from the Vietnam war?

Last Answer : General Douglas MacArthur was no longer in the military when theVietnam War began.President Truman relieved him of Command during the Korean Waron April 10, 1951.

Description : When going to the army do they take DNA testAnd how long does it stay in the system after the soldier is discharged?

Last Answer : They will only test you if someone claims to have your child and want support.

Description : The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA

Last Answer : Answer : B