Chemistry Exam > Chemistry Questions > A solid has a structure in which W atoms are ...
Start Learning for Free
A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:
- a)NaWO2
- b)NaWO3
- c)Na2WO3
- d)NaWO4
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
A solid has a structure in which W atoms are located at the corners of...
In a unit cell W atoms at the corner
= 1/8 x 8 = 1
0-atoms at the centre of edges = 1/4 x 12 = 3
Na-atoms at the centre of the cube = 1
W: 0: Na = 1:3:1
Hence, formula is NaW03
Most Upvoted Answer
A solid has a structure in which W atoms are located at the corners of...
Explanation:
The given solid has a cubic lattice structure with W-atoms located at the corners of the cube, O-atoms at the centre of edges, and Na atom at the centre of the cube. The formula for the compound can be determined by analyzing the oxidation states of the constituent atoms in the compound.
Oxidation States of the Constituent Atoms:
W (tungsten) belongs to group 6 of the periodic table and has a valency of 6. In the given solid, each W-atom is surrounded by 4 O-atoms, which are negatively charged. Therefore, the oxidation state of W-atom in the compound is +6.
O (oxygen) belongs to group 16 of the periodic table and has a valency of 2. In the given solid, each O-atom is bonded to 2 W-atoms, which have an oxidation state of +6. Therefore, the oxidation state of O-atom in the compound is -2.
Na (sodium) belongs to group 1 of the periodic table and has a valency of 1. In the given solid, each Na-atom is surrounded by 6 O-atoms, which are negatively charged. Therefore, the oxidation state of Na-atom in the compound is +1.
Formula of the Compound:
The formula of the compound can be determined by balancing the charges of the constituent ions in the compound. Since the compound is electrically neutral, the sum of the charges of the constituent ions must be zero.
Each Na-atom contributes a charge of +1, and there is only one Na-atom in the compound. Therefore, the total charge contributed by Na-ions is +1.
Each W-atom contributes a charge of +6, and there are 8 W-atoms in the compound. Therefore, the total charge contributed by W-ions is +48.
Each O-atom contributes a charge of -2, and there are 12 O-atoms in the compound. Therefore, the total charge contributed by O-ions is -24.
To balance the charges, there must be 2 Na-ions for every 3 W-ions and 9 O-ions. Therefore, the formula of the compound is Na2WO3.
Conclusion:
The correct answer is option 'B', i.e., Na2WO3. The formula of the compound is determined by analyzing the oxidation states of the constituent atoms and balancing the charges of the constituent ions in the compound.
The given solid has a cubic lattice structure with W-atoms located at the corners of the cube, O-atoms at the centre of edges, and Na atom at the centre of the cube. The formula for the compound can be determined by analyzing the oxidation states of the constituent atoms in the compound.
Oxidation States of the Constituent Atoms:
W (tungsten) belongs to group 6 of the periodic table and has a valency of 6. In the given solid, each W-atom is surrounded by 4 O-atoms, which are negatively charged. Therefore, the oxidation state of W-atom in the compound is +6.
O (oxygen) belongs to group 16 of the periodic table and has a valency of 2. In the given solid, each O-atom is bonded to 2 W-atoms, which have an oxidation state of +6. Therefore, the oxidation state of O-atom in the compound is -2.
Na (sodium) belongs to group 1 of the periodic table and has a valency of 1. In the given solid, each Na-atom is surrounded by 6 O-atoms, which are negatively charged. Therefore, the oxidation state of Na-atom in the compound is +1.
Formula of the Compound:
The formula of the compound can be determined by balancing the charges of the constituent ions in the compound. Since the compound is electrically neutral, the sum of the charges of the constituent ions must be zero.
Each Na-atom contributes a charge of +1, and there is only one Na-atom in the compound. Therefore, the total charge contributed by Na-ions is +1.
Each W-atom contributes a charge of +6, and there are 8 W-atoms in the compound. Therefore, the total charge contributed by W-ions is +48.
Each O-atom contributes a charge of -2, and there are 12 O-atoms in the compound. Therefore, the total charge contributed by O-ions is -24.
To balance the charges, there must be 2 Na-ions for every 3 W-ions and 9 O-ions. Therefore, the formula of the compound is Na2WO3.
Conclusion:
The correct answer is option 'B', i.e., Na2WO3. The formula of the compound is determined by analyzing the oxidation states of the constituent atoms and balancing the charges of the constituent ions in the compound.
Free Test
FREE
| Start Free Test |
Community Answer
A solid has a structure in which W atoms are located at the corners of...
No of atoms per unit cell at the corners in a cube is W = 8×1/8=1 No of atoms at the centre of edges in a cube per unit cell is O =4×1/12=1/3 No of atoms at the centre of cube is Na=1 on simplification , NaWO3
|
Explore Courses for Chemistry exam
|
|
Similar Chemistry Doubts
A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer?
Question Description
A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer?.
A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer?.
Solutions for A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemistry.
Download more important topics, notes, lectures and mock test series for Chemistry Exam by signing up for free.
Here you can find the meaning of A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer?, a detailed solution for A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom of the centre of the edges and Na atom at centre of the cubic. The formula for the compound is:a)NaWO2b)NaWO3c)Na2WO3d)NaWO4Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Chemistry tests.
|
|
Explore Courses for Chemistry 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
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup