The edge length of a bcc unit cell of a metallic crystal is $2.9 \mathring A$. Hence the diameter of an atom is
- ✓$1.025 \mathring A$
- B$2.512 \mathring A$
- C$1.45 \mathring A$
- D$1.31 \mathring A$
Answer: A.
View full solution →Question types
Solid State question types
229 questions across 4 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.
229
Questions
4
Question groups
5
Question types
01
MCQ
107 Q→02Answer the following in one or two sentence.
45 Q→03Answer the following in brief.
41 Q→04Answer the following in detail.
36 Q→Sample Questions
Solid State questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
What is the edge length of simple cubic unit cell if radius of atom is $174 \mathrm{pm}$ ?
- ✓$348 \mathrm{pm}$
- B$402 \mathrm{pm}$
- C$492 \mathrm{pm}$
- D$174 \mathrm{pm}$
Answer: A.
View full solution →Identify the type of unit cell containing single particle
- ABody centred cubic
- BBase centred cubic
- CFace centred cubic
- ✓Simple cubic
Answer: D.
View full solution →Calculate the molar mass of metal having density $7.8 \mathrm{~g} \mathrm{~cm}^{-3}$ and crystallizes to form bcc structure with edge length $288 \mathrm{pm}$.Q
- A$120.0 \mathrm{~g} \mathrm{~mol}^{-1}$
- B$86.2 \mathrm{~g} \mathrm{~mol}^{-1}$
- C$108.1 \mathrm{~g} \mathrm{~mol}^{-1}$
- ✓$56.1 \mathrm{~g} \mathrm{~mol}^{-1}$
Answer: D.
View full solution →Lithium forms BCC structure having edge length of unit cell 351 pm then atomic radies of lithium is
- A75 Pm
- B210 Pm
- C180 Pm
- ✓152 Pm
Answer: D.
View full solution →Will the material be electrically neutral or charged ?
Will the resulting material contain the same number of total number of electrons as the original pure silicon ?
What are ferromagnetic substances?
Sketch a tetrahedral void.
Mention two properties that are common to both hep and ccp lattices.
Which of the three lattices scc, bcc and fcc has the most efficient packing of particles ? Which one has the least efficient packing ?
Obtain the relationship between density of a substance and the edge length of unit cell.
Cu crystallizes in fee unit cell with edge length of 495 pm. What is the radius of Cu atom ?
Cesium chloride crystallizes in cubic unit cell with Cl -ions at the corners and $Cs +$ ion in the centre of the cube. How many CsCl molecules are there in the unit cell ?
View full solution →What are the consequences of Schottky defect?
How are the spheres arranged in first layer of simple cubic close-packed structures? How are the successive layers of spheres placed above this layer ?
Distinguish between ionic solids and molecular solids.
When $ZnO$ is heated it turns yellow and returns back to original white colour on cooling. What could be the reason ?
View full solution →Graphite is a covalent solid yet soft and good conductor of electricity.
Observe the above figure carefully. The two types of circles in this figure represent two types of constituent particles of a solid.
Question 1.
Will you call the arrangement of particles in this solid regular or irregular ?
Question 2.
Is the arrangement of constituent particles in directions $\overrightarrow{ A B }, \overrightarrow{ C D }$ $\overrightarrow{ E F }$ same or different?
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