What are anions?

What are anions?
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1 Answer

Answer :

Anions are a group of atoms that have gained electrons. They have a negative charge.
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Related questions

Explain electro polishing.

Description : Explain electro polishing.

Last Answer : The article to be electro polished is taken as anode in the electrolytic bath with copper or lead cathode and a suitable electrolyte. When direct current is passed through the electrolyte, the ... the anode is electro polished. Ex: Sandwiched cookers are manufactured by the electro polishing method.

What is electro polishing?

Description : What is electro polishing?

Last Answer : Electro polishing is an electrochemical process that removes material from a metallic article. It is the reverse of electroplating.

What is the aim of electroplating?

Description : What is the aim of electroplating?

Last Answer : The aim of electroplating is to give the articles made of one metal a coating of another metal either to improve the appearance or to protect it against rusting and tarnishing.

What is electroplating?

Description : What is electroplating?

Last Answer : Electroplating is the process of plating one metal onto another by passing current through the electrolyte.

Mention the applications of electrolysis.

Description : Mention the applications of electrolysis.

Last Answer : a) Electroplating b) Electrotyping c) Purification of metals d) Decomposition of salts e) Electro polishing f) Manufacture of certain chemicals like caustic soda.

Write the value of Faraday’s constant.

Description : Write the value of Faraday’s constant.

Last Answer : The value of Faraday’s constant is 96,500 coulomb/mole.

Define Faraday’s constant.

Description : Define Faraday’s constant.

Last Answer : Faraday’s constant is defined as the ratio of chemical equivalent to electrochemical equivalent of a substance.

State Faraday’s second law of electrolysis.

Description : State Faraday’s second law of electrolysis.

Last Answer : “The masses of different substances liberated by the same quantity of electricity are proportional to their chemical equivalents”.

On what factors does the amount of deposition in electrolysis depend?

Description : On what factors does the amount of deposition in electrolysis depend?

Last Answer : The amount of deposition depends on the a) Current b) Time c) Nature of substance

State Faraday’s first law of electrolysis.

Description : State Faraday’s first law of electrolysis.

Last Answer : “The mass of substance deposited or collected at either electrode during electrolysis is proportional to the current and to the time”.

What are cations?

Description : What are cations?

Last Answer : Cations are atoms that have lost an electron to become positively charged.

What are ions?

Description : What are ions?

Last Answer : A group of charged atoms are called ions.

State Arrhenius theory of dissociation.

Description : State Arrhenius theory of dissociation.

Last Answer : “The molecules of an electrolyte in aqueous solution break into ions”

What are non-electrolytes? Give example

Description : What are non-electrolytes? Give example

Last Answer : Substances which do not conduct electricity are called non-electrolytes. Ex: Sugar solution, distilled water etc.

What are weak electrolytes? Give example

Description : What are weak electrolytes? Give example

Last Answer : Electrolytes that dissociate partially are called weak electrolytes. Ex: Vinegar, carbonic acid, phosphoric acid and organic acids like acetic acid, formic acid etc.

What are strong electrolytes? Give example

Description : What are strong electrolytes? Give example

Last Answer : Electrolytes that dissociate almost completely are called strong electrolytes. Ex: Ionic compounds like Sodium chloride, copper sulphate, covalent compounds, hydrochloric acid, nitric acid, sulphuric acid.

How are electrolytes classified?

Description : How are electrolytes classified?

Last Answer : Electrolytes can be classified into: a) Strong electrolytes b) Weak electrolytes c) Non electrolytes

Give examples of substance through which electrolytic conduction occurs.

Description : Give examples of substance through which electrolytic conduction occurs.

Last Answer : a) Salts in molten state Ex: Sodium chloride, Calcium chloride, lead bromide etc. b) Aqueous solutions of sodium sulphate, copper sulphate etc. c) Bases Ex: Sodium hydroxide, Potassium hydroxide etc. d) Aqueous solutions of acids Ex: Hydrochloric acid, sulphuric acid etc.

Give examples of substances through which metallic conduction occur.

Description : Give examples of substances through which metallic conduction occur.

Last Answer : a) All metals Ex: Iron, Aluminium, Copper, Mercury etc. b) All alloys Ex: Brass, Bronze, and Steel etc. c) Graphite

State the types of conduction of electricity.

Description : State the types of conduction of electricity.

Last Answer : a) Metallic conduction b) Electrolytic conduction

What is an electrolyte?

Description : What is an electrolyte?

Last Answer : The chemical substances that conduct electricity in aqueous state or molten state are called electrolytes.

What is meant by electrolytic solutions?

Description : What is meant by electrolytic solutions?

Last Answer : The aqueous solutions in in which chemical reactions occur when direct current is passed are called electrolytic solutions.

What is electrolytic conduction?

Description : What is electrolytic conduction?

Last Answer : The type of conduction in which cations and anions participate in the flow of electricity in molten state or aqueous solution of salt is called as electrolytic conduction.

What is electronic conduction?

Description : What is electronic conduction?

Last Answer : The type of conduction which is due to the flow of delocalised electrons is known as electronic conduction.

Name the two types of electric conduction.

Description : Name the two types of electric conduction.

Last Answer : The two types of electrical conduction are: a) Electric conduction due to flow of delocalised electrons. b) Electrical conduction due to flow of ions

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

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)

Ionic compounds containing cations (+ve ion) and anions (-ve ion) are?

Description : Ionic compounds containing cations (+ve ion) and anions (-ve ion) are?

Last Answer : Salt

Which of the following anions will have minimum flocculation value for the ferric oxide solution?

Description : Which of the following anions will have minimum flocculation value for the ferric oxide solution?

Last Answer : Which of the following anions will have minimum flocculation value for the ferric oxide solution? A. `Cl^(-)` B. `Br^( ... 2-)` D. `[Fe(CN)_(6)]^(3-)`

Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Description : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Last Answer : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. ... and C black D. `Na(CN)_2^-`

Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Description : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Last Answer : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. ... NaBr C. (C) NaF D. (D) Nal

Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Description : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Last Answer : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. ... . H_2O` D. (D) None of these

Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Description : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides. Pseudo halogens can acts as ligands

Last Answer : Pseudo halides are anions having resemblance with halide ions. Group I metals can form salts with pseudo halides ... . `NaCN, NaOCN` D. `HCOONa, NH_3`

A certain hypohalite on treating with hot and conc. NaOH forms anions P and Q. More stable anion among P and Q can be obtained by neutralizing Its con

Description : A certain hypohalite on treating with hot and conc. NaOH forms anions P and Q. More stable anion among P and Q can be obtained by neutralizing Its con

Last Answer : A certain hypohalite on treating with hot and conc. NaOH forms anions P and Q. More stable ... produces a gas which Is used in fire extinguisher.

`underset("(mixture of two anions)")A underset("excess of "BaCl_2)overset("Cold")to"white ppt."overset"filtered"to"(Filtrate)" overset"boil"to"White p

Description : `underset("(mixture of two anions)")A underset("excess of "BaCl_2)overset("Cold")to"white ppt."overset"filtered"to"(Filtrate)" overset"boil"to"White p

Last Answer : `underset("(mixture of two anions)")A underset("excess of "BaCl_2)overset("Cold")to"white ppt."overset"filtered" ... -), HCO_(3)^(-)` D. None of these

How many anions evolve brownish gas when treated with dil. /con. HCl ? `(i) CO_(3)^(2-) " " (ii)SO_(3)^(2-) " " (iii) NO_(2)^(-) " " (iv)Cl^(-)` `(v)

Description : How many anions evolve brownish gas when treated with dil. /con. HCl ? `(i) CO_(3)^(2-) " " (ii)SO_(3)^(2-) " " (iii) NO_(2)^(-) " " (iv)Cl^(-)` `(v)

Last Answer : How many anions evolve brownish gas when treated with dil. /con. HCl ? `(i) CO_(3)^(2-) " " (ii)SO_(3)^(2-) ... NO_(3)^(-) " " (vii) CH_(3)CO O^(-)`

Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I :SO_(3)^(2-) " " II : HSO_(3)^(-) " " III : S^(

Description : Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I :SO_(3)^(2-) " " II : HSO_(3)^(-) " " III : S^(

Last Answer : Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I : ... I, II, III and IV D. I, III and IV only

Match the reagent which are used in qualitative analysis of given anions :

Description : Match the reagent which are used in qualitative analysis of given anions :

Last Answer : Match the reagent which are used in qualitative analysis of given anions :

Match the anions with the changes observed on qualitative analysis :

Description : Match the anions with the changes observed on qualitative analysis :

Last Answer : Match the anions with the changes observed on qualitative analysis :

Which of the following pair of anions are identified by conc. `H_(2)SO_(4)`.

Description : Which of the following pair of anions are identified by conc. `H_(2)SO_(4)`.

Last Answer : Which of the following pair of anions are identified by conc. `H_(2)SO_(4)`. A. `NO_(3)^(-), CO_(3)^(2-)` B. ... -)` D. `CO_(3)^(2-), CH_(3)CO O^(-)`

Which of the following anions are identified by dil. HCl :

Description : Which of the following anions are identified by dil. HCl :

Last Answer : Which of the following anions are identified by dil. HCl : A. `NO_(2)^(-),NO_(3)^(-),CO_(3)^(2-)` B. `NO_(2) ... D. `CH_(3)CO O^(-),I^(-),CO_(3)^(2-)`

Among the following anions, the order of basicity is : `overset(-)(C )H_(3)(I), overset(-)(N)H_(2)(II), OH^(-)(III),F^(-)(IV)`

Description : Among the following anions, the order of basicity is : `overset(-)(C )H_(3)(I), overset(-)(N)H_(2)(II), OH^(-)(III),F^(-)(IV)`

Last Answer : Among the following anions, the order of basicity is : `overset(-)(C )H_(3)(I), overset(-)(N)H_(2)(II), OH^(- ... > II > I > IV D. III > I > II > IV

The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow the order

Description : The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow the order

Last Answer : The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow ... (6)^(2-)ltS_(2)O_(4)^(2-)ltSO_(3)^(2-)`

Why are anions larger?

Description : Why are anions larger?

Last Answer : Anions have supplementary electrons.

IN which set do all elements tend to form anions in binary ionic compounds Question 3 options N S I Ca B K K Ga Pb Fe Hg Na?

Description : IN which set do all elements tend to form anions in binary ionic compounds Question 3 options N S I Ca B K K Ga Pb Fe Hg Na?

Last Answer : Need answer

A compound composed of cations and anions is called a?

Description : A compound composed of cations and anions is called a?

Last Answer : covalent compound

When naming the compound containing lithium and chlorine, change the suffix of the anion's name to?

Description : When naming the compound containing lithium and chlorine, change the suffix of the anion's name to?

Last Answer : "ide" as in lithium chlorIDE

Anion gap in plasma is because (A) Of differential distribution of ions across cell membranes (B) Cations outnumber anions in plasma (C) Anions outnumber cations in plasma (D) Of unmeasured anions in plasma

Description : Anion gap in plasma is because (A) Of differential distribution of ions across cell membranes (B) Cations outnumber anions in plasma (C) Anions outnumber cations in plasma (D) Of unmeasured anions in plasma

Last Answer : Answer : B

Anion gap is the difference in the plasma concentrations of (A) (Chloride) – (Bicarbonate) (B) (Sodium) – (Chloride) (C) (Sodium + Potassium) – (Chloride + Bicarbonate) (D) (Sum of cations) – (Sum of anions)

Description : Anion gap is the difference in the plasma concentrations of (A) (Chloride) – (Bicarbonate) (B) (Sodium) – (Chloride) (C) (Sodium + Potassium) – (Chloride + Bicarbonate) (D) (Sum of cations) – (Sum of anions)

Last Answer : Answer : C

What are the favorable conditions for formation of Anions ?

Description : What are the favorable conditions for formation of Anions ?

Last Answer : • High Electron affinity • Small size Less charge of an atoms form anion more easily

Atoms having the same number of protons but different number of neutrons are called : (1) Isotopes (2) Cations (3) Higgs-boson (4) Anions .

Description : Atoms having the same number of protons but different number of neutrons are called : (1) Isotopes (2) Cations (3) Higgs-boson (4) Anions .

Last Answer : (1) Isotopes Explanation: Atoms that have the same number of protons but different numbers of neutrons are called isotopes. For example, carbon-12, carbon13 and carbon-14 are three isotopes of the element ... has 6 protons, so that the neutron numbers of these isotopes are 6, 7 and 8 respectively.