States of Matter-Solid State [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 14 - 19 of 119
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Question 14
Question MCQ▾
A compound formed by elements A and B crystallizes in cubic structure where A atoms are the corners of a cube and B atoms are at face centered. What is the formula of the compound?
Choices
Choice (4) | Response | |
---|---|---|
a. | AB3 | |
b. | AB | |
c. | A2B | |
d. | Question does not provide sufficient data or is vague |
Question 15
Question MCQ▾
Which one of the following is not the property of crystalline solid?
Choices
Choice (4) | Response | |
---|---|---|
a. | Definite geometry | |
b. | Sharp melting point | |
c. | High intermolecular point | |
d. | Isotropic |
Question 16
Question MCQ▾
If ammonium chloride crystallizes in as body centered lattice with a unit distance of 387 pm, then what is the distance between oppositely charged ions in the lattice?
Choices
Choice (4) | Response | |
---|---|---|
a. | 375.5 pm | |
b. | 335.15pm | |
c. | 321 pm | |
d. | 387pm |
Question 17
Question MCQ▾
The geometrical form consisting only of a regular array of points in space is called?
Choices
Choice (4) | Response | |
---|---|---|
a. | Lattice | |
b. | Cube | |
c. | Unit cell | |
d. | Crystal |
Question 18
Question MCQ▾
If the distance between sodium ions and chloride ions in NaCl crystal is 265 pm, then edge length of the unit cell will be?
Choices
Choice (4) | Response | |
---|---|---|
a. | 530 pm | |
b. | 132.5 pm | |
c. | 265 pm | |
d. | 765 pm |
Question 19
Question MCQ▾
The dissolution of ionic crystal in a polar solvent depends on?
Choices
Choice (4) | Response | |
---|---|---|
a. | Temperature | |
b. | Dielectric constant | |
c. | Hydration energies | |
d. | None of the above |