Q. 604.8( 6 Votes )

A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads. (a) What is element X?
(b) Name the allotrope Y?
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.

Answer :

(a) Element X is carbon.

(b) Allotrope Y is graphite.

(c) Allotrope Y is a good conductor of electricity (due to the presence of free electron).

(d) Allotrope Y is used for making electrodes of cells.

(e) Diamond and Buckministerfullerence are allotropes of element X.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Smart Revision | Carbon and Its Compounds in One ShotSmart Revision | Carbon and Its Compounds in One ShotSmart Revision | Carbon and Its Compounds in One Shot68 mins
Smart Revision | Carbon Compounds in 40 MinutesSmart Revision | Carbon Compounds in 40 MinutesSmart Revision | Carbon Compounds in 40 Minutes45 mins
Smart Revision | Let's Revise Carbon and It's Amazing PropertiesSmart Revision | Let's Revise Carbon and It's Amazing PropertiesSmart Revision | Let's Revise Carbon and It's Amazing Properties32 mins
Foundation | IsomersFoundation | IsomersFoundation | Isomers43 mins
NCERT | Covalent BondingNCERT | Covalent BondingNCERT | Covalent Bonding46 mins
NCERT Exemplar | Carbon and Its CompoundsNCERT Exemplar | Carbon and Its CompoundsNCERT Exemplar | Carbon and Its Compounds43 mins
NCERT | Carbon InfinityNCERT | Carbon InfinityNCERT | Carbon Infinity21 mins
Nomenclature of CompoundsNomenclature of CompoundsNomenclature of Compounds53 mins
Foundation | Homologous Series and Functional GroupsFoundation | Homologous Series and Functional GroupsFoundation | Homologous Series and Functional Groups50 mins
Carbon And its UniquenessCarbon And its UniquenessCarbon And its Uniqueness26 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :