Class 10 Exam > Class 10 Questions > Directions: In the following questions, a st...
Start Learning for Free
Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
Assertion : Diamond and graphite are allotropes of carbon.
Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.
- a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
- b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
- c)Assertion (A) is true but reason (R) is false.
- d)Assertion (A) is false but reason (R) is true.
Correct answer is option 'A'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
Directions: In the following questions, a statement of assertion (A) ...
Diamond and graphite are allotropes of carbon. They are the pure forms of the same element. They are two different physical forms of carbon that occurs in the same physical state.
View all questions of this test
Most Upvoted Answer
Directions: In the following questions, a statement of assertion (A) ...
Assertion: Diamond and graphite are allotropes of carbon.
Reason: Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.
The correct answer is option 'A': Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
Explanation:
Allotropes are different structural forms of the same element. They have different physical and chemical properties but the same chemical composition. Diamond and graphite are two allotropes of carbon.
Diamond is a crystalline form of carbon. It is the hardest known natural substance and has a high melting point. Each carbon atom in a diamond is covalently bonded to four other carbon atoms in a tetrahedral arrangement. This gives diamond its rigid and strong structure.
Graphite, on the other hand, is a soft and slippery substance. It has a high electrical conductivity and is commonly used as a lubricant and in pencil leads. In graphite, each carbon atom is covalently bonded to three other carbon atoms in a layered structure. The layers are held together weakly by van der Waals forces, allowing them to easily slide over each other.
The reason for the assertion is that carbon can exist in different structural forms due to its ability to form covalent bonds with other carbon atoms. This property allows carbon to form different allotropes with distinct physical and chemical properties.
In the case of diamond and graphite, both allotropes are formed by the same element, carbon, but they have different structures. The tetrahedral arrangement of carbon atoms in diamond gives it its hardness, while the layered structure of graphite allows it to have its unique properties.
Hence, the reason provided correctly explains why diamond and graphite are allotropes of carbon.
Reason: Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.
The correct answer is option 'A': Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
Explanation:
Allotropes are different structural forms of the same element. They have different physical and chemical properties but the same chemical composition. Diamond and graphite are two allotropes of carbon.
Diamond is a crystalline form of carbon. It is the hardest known natural substance and has a high melting point. Each carbon atom in a diamond is covalently bonded to four other carbon atoms in a tetrahedral arrangement. This gives diamond its rigid and strong structure.
Graphite, on the other hand, is a soft and slippery substance. It has a high electrical conductivity and is commonly used as a lubricant and in pencil leads. In graphite, each carbon atom is covalently bonded to three other carbon atoms in a layered structure. The layers are held together weakly by van der Waals forces, allowing them to easily slide over each other.
The reason for the assertion is that carbon can exist in different structural forms due to its ability to form covalent bonds with other carbon atoms. This property allows carbon to form different allotropes with distinct physical and chemical properties.
In the case of diamond and graphite, both allotropes are formed by the same element, carbon, but they have different structures. The tetrahedral arrangement of carbon atoms in diamond gives it its hardness, while the layered structure of graphite allows it to have its unique properties.
Hence, the reason provided correctly explains why diamond and graphite are allotropes of carbon.
Attention Class 10 Students!
To make sure you are not studying endlessly, EduRev has designed Class 10 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 10.
|
Explore Courses for Class 10 exam
|
|
Similar Class 10 Doubts
Top Courses for Class 10View all
Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?
Question Description
Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?.
Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?.
Solutions for Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 10.
Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free.
Here you can find the meaning of Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer?, a detailed solution for Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Directions: In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:Assertion : Diamond and graphite are allotropes of carbon.Reason : Some elements can have several different structural forms while in the same physical state. These forms are called allotropes.a)Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).b)Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).c)Assertion (A) is true but reason (R) is false.d)Assertion (A) is false but reason (R) is true.Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Class 10 tests.
|
|
Explore Courses for Class 10 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup