What are Carbon, diamond and graphite together called?

1 Answer

Answer :

Allotropes

Related questions

Description : What are Carbon, diamond and graphite together called? -General Knowledge

Last Answer : The answer is 'Allotropes'

Description : Why do diamond and graphite have different physical properties even though they are both made of carbon?

Last Answer : Feel Free to Answer

Description : Diamond, graphite, and fullerenes all forms of carbon, are examples of_______.

Last Answer : Allotropes

Description : The hardest form of carbon is (a) Coke (b) Graphite (c) Diamond (d) Charcoal

Last Answer : Ans:(c)

Description : Carbon occurs in nature in the purest form as (a) Diamond (b) Graphite (c) Carbon black (d) Coal

Last Answer : Ans:(a)

Description : Carbon occurs in nature in the purest form as - (1) Diamond (2) Graphite (3) Carbon black (4) Coal

Last Answer : (1) Diamond Explanation: There are three forms of pure carbon: Graphite, Coal and Diamond. All three are made up of elemental carbon, caol is the least pure when found in nature. Diamond is the purest form of Carbon.

Description : As which one of the following, does carbon occur in its purest form in nature? (1) Carbon black (2) Graphite (3) Diamond (4) Coal

Last Answer : (3) Diamond Explanation: The purest form of carbon is neither diamond nor graphene or graphite . It is 'Fullerene' , the purest form of carbon.

Description : Which of the following is the purest form of Carbon? (1) Charcoal (2) Granite (3) Diamond (4) Graphite

Last Answer : (3) Diamond Explanation: Because the carbon atoms in diamond are more tightly bound than in graphite (as diamond is the hardest material known), it is more difficult for impurities to get into the diamond lattice and as a result diamonds are often more pure than graphite.

Description : _____is not an allotrope of carbon. (1) Buckminsterfullerene (2) Carbon Doxide (3) Diamond (4) Graphite

Last Answer : (2) Carbon Doxide Explanation: Carbon is capable of forming many allotropes due to its valency. Well-known forms of carbon include diamond and graphite. Other allotropes in clude: include buckyballs (fullerenes), amorphous carbon, glassy carbon, carbon nanofoam, nanotubes,and others.

Description : Hardest allotrope of carbon is - (1) diamond (2) graphite (3) coke (4) lamp black

Last Answer : (1) diamond Explanation: Diamond is one well known allotrope of carbon. The hardness and high dispersion of light of diamond make it useful for both industrial applications and jewellery. Diamond is ... mineral. This makes it an excellent abrasive and makes it hold polish and luster extremely well.

Description : Out of carbon(diamond)and carbon (graphite) whose enthalpy of formation is taken as zero?

Last Answer : Ans. Enthalpy of formation of carbon in the form of graphite is taken as zero because it is a more commonly found in stable form of carbon.

Description : Why is diamond hard whereas graphite soft even through both are crystalline forms of carbon?

Last Answer : The reason for difference is because of arrangement of carbon atoms.

Description : Why is diamond hard whereas graphite soft even through both are crystalline forms of carbon?

Last Answer : The reason for difference is because of arrangement of carbon atoms.

Description : Diamond and graphite are polymorphs of which of th following elements? w) magnesium x) carbon y) sulfur z) nitrogen

Last Answer : ANSWER: X -- CARBON

Description : Hardest allotrope of carbon is (1) diamond (2) graphite (3) coke (4) lamp black

Last Answer : diamond

Description : In which of the following substances all carbon atoms are quaternary in nature ? (1) Graphite (2) Diamond (3) Teflon (4) Napthalene

Last Answer : Diamond

Description : Assertion (A): Enthalpy of graphite is lower than that of diamond. Reason (R ) : Entropy of graphite is lower than that of diamond.

Last Answer : Assertion (A): Enthalpy of graphite is lower than that of diamond. Reason (R ) : Entropy of ... False. D. If both Assertion & Reason are false.

Description : What is common between diamond and graphite?

Last Answer : What is common between diamond and graphite?

Description : Diamond and Graphite

Last Answer : Find out the difference between : Diamond and Graphite

Description : How do the physical properties of diamond compare to the physical properties of graphite?

Last Answer : Need answer

Description : How are graphite and diamond the same and how are they different?

Last Answer : They are both made of the element carbon, but the carbon atomsare in a different crystal pattern.

Description : Why is graphite softer than diamond?

Last Answer : The crystalline structure of graphite and diamond are very different.

Description : Why is graphite softer than diamond?

Last Answer : The crystalline structure of graphite and diamond are very different.

Description : Diamond and graphite are

Last Answer : allotropes of carbon

Description : The hardest natural substance is - (1) Diamond (2) Iron (3) Graphite (4) Copper

Last Answer : (1) Diamond Explanation: Diamond is the hardest naturally occurring substance found on Earth. It is due to the giant molecular structure of diamond in which each carbon atom is covalently bonded to four other carbon atoms

Description : Which of the following is used as lubricant? (1) Graphite (2) Silica (3) Diamond (4) Iron Oxide

Last Answer : (1) Graphite Explanation: Graphite is used as a lubricant due to its slippery nature. Due to its loosely intact carbon atoms or free electrons, they can move around easily from one place to another, making graphite a good conductor of electricity.

Description : Which of the following is used as lubricant? (1) Graphite (2) Silica (3) Diamond (4) Iron Oxide

Last Answer : (1) Graphite Explanation: Graphite is used as a lubricant due to its slippery nature. Due to its loosely intact carbon atoms or free electrons, they can move around easily from one place to another, making graphite a good conductor of electricity.

Description : Hardest material is - (1) Tungsten (2) Diamond (3) Steel (4) Graphite

Last Answer : (2) Diamond Explanation: Diamondsare commonly known as the hardest substance on earth, used in drill bits for cutting applications.

Description : Diamond is harder than graphite because of – (1) difference in layers of atoms (2) tetrahedral structure of diamond (3) difference of crystalline structures (4) None of these

Last Answer : (1) difference in layers of atoms Explanation: Diamond is harder than graphite because diamond has a more complex structure. Diamond's structure is like many pentagons connected together, each pentagon ... together in some way. Graphite's structure is very loose, with its bonds forming layers.

Description : Which one of the following is a good electrical conductor? (1) Graphite (2) Diamond (3) Peat (4) Charcoal

Last Answer : (1) Graphite Explanation: Graphite is a good conductor of electricity because its electrons are delocalized or free to move around. Each carbon atom in graphite is directly linked to only three carbon atoms ... and the fourth is relatively free and can move from one car-bon atom to the other.

Description : The substance which conducts current in the solid state is – (1) diamond (2) graphite (3) iodine (4) sodium chloride

Last Answer : (2) graphite Explanation: The structure of graphite is unlike most other network substances. It is formed in 'sheets' of carbon atoms, each of which is bonded to only three others. The ... electric charges. Unlike diamond (another carbon allotrope), graphite is an electrical conductor, a. semimetal.

Description : Hardest material so far found is (A) Diamond (B) Graphite (C) Carborundum (D) Pumice stone

Last Answer : (A) Diamond

Description : Hardest materials so far found is (A) Diamond (B) Graphite (C) Carborundum (D) Pumice stone

Last Answer : (A) Diamond

Description : Explain the difference in properties of diamond and graphite on the basis of their Structure?

Last Answer : Ans.1. Diamond has three dimensional network whereas graphite has two successive layers. 2. Diamond has high density while graphite has low. 3. Diamond has sp3 and graphite has sp2 hybridised carbon atom.

Description : Graphite is used as anode and not diamond. Assign reason. 

Last Answer : Ans. In graphite there are free electrons which helps in electricalconductivity. 

Description : Generally Non-metals are not conductors of electricity. Which of the given is a good conductor of electricity? a) Diamond b) Graphite c) Sulphur d) Fullerene

Last Answer : b) Graphite

Description : Diamond and Graphite are allotropes of which element?

Last Answer : Carbon.

Description : Diamond is harder than graphite because of : (1) difference in layers of atoms (2) tetrahedral structure of diamond (3) difference of crystalline structures (4) None of these

Last Answer :  difference in layers of atoms

Description : Which one of the following is a good electrical conductor? (1) Graphite (2) Diamond (3) Peat (4) Charcoal 

Last Answer : Graphite

Description : The substance which conducts current in the solid state is (1) diamond (2) graphite (3) iodine (4) sodium chloride

Last Answer : graphite

Description : In Graphite layers are held together by

Last Answer : Vander wall forces

Description : Oxidation number of carbon in graphite is :-

Last Answer : Oxidation number of carbon in graphite is :- A. Zero B. `+1` C. `+1` D. `+2`

Description : Are carbon and graphite same materialwhy?

Last Answer : Yes. Graphite is a form of carbon, just as diamond is.

Description : The most pure form of Carbon among the options is – (1) Anthracite (2) Lampblack (3) Graphite (4) Wood Charcoal

Last Answer : (1) Anthracite Explanation: There are three forms of pure carbon: graphite, coal and diamond. Among coal, Anthracite has the highest carbon content, the fewest impurities, and the highest calorific content ... the most metamorphosed type of coal in which the carbon content is between 92.1% and 98%.

Description : The material used in the manufacture of lead pencil is – (1) Graphite (2) Lead (3) Carbon (4) Mica

Last Answer : (1) Graphite Explanation: Pencils create marks via physical abrasion, leaving behind a trail of solid core material that adheres to a sheet of paper or other surface. They are noticeably distinct from ... of graphite mixed with a clay binder, leaving grey or black marks that can be easily erased.

Description : Which of the following is used as filler in tyre of rubber? (1) Carbon black (2) Coal (3) Coke (4) Graphite

Last Answer : (1) Carbon black Explanation: The most common use (70%) of carbon black is as a pigment and reinforcing phase in automobile tires. Carbon black also helps conduct heat away from the tread and belt area of the tire, reducing thermal damage and increasing tire life.

Description : Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and (A) Moving mercury and graphite (B) Graphite and moving mercury (C) Moving mercury and carbon (D) Moving mercury and crimped steel wire

Last Answer : (B) Graphite and moving mercury

Description : Carbon supply in pack carburising process is in the form of (A) Charcoal (B) Calcium carbide (C) Hydrocarbon oil (D) Graphite

Last Answer : (A) Charcoal

Description : Carbon is present in steel wholly in the (A) Combined form (B) Free state as graphite (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (A) Combined form

Description : Pick out the wrong statement. (A) Wrought iron contains about 0.02% carbon (B) Wrought iron cannot be easily forged and welded (C) The chilled cast iron does not contain graphite (D) Spheroidal grey cast iron contains graphite flakes

Last Answer : (B) Wrought iron cannot be easily forged and welded