Question

Question Bank for XII Chemistry (SS)
Chapter 1
Solid State
Marks 3 with option 5
Multiple choice questions (mark
2. Tammys of wide stat molandesas constituent particler?
(part 4)
B Tonic solids
d covalent betwork solids
Flowing crystal systems contain 4 Bravais laities?
b. tetragonal
(page)
6 orthorborable
d. monoclinic
Anwalserola i sundhed by
b. 3 spheres
c. spleres
(page10)
d. 6 spheres
4. Whent of the following is an antonphous solid?
a Coyo walshate
munesium
c.tar
(page2)
c. diamond
3. Apes catronamion vacancy is called
(page 17)
a. Schottky stefect
b. Prenkel detect
e impurity defect
d. Vacancy defect
a. The unit cell of a simple cubic system has atoms at the eight corners. Hence, number of atoms in an unit cell is
d. 2
7. in crystal lattice formed by primitive unit cell, the space occupied by particles is
(page6)
(page12)
b. 32%
c. 68%
* The econlination number of spheres in hcp lattice in three dimension is
(page11)
d. 12
9. A compound is made up of two elements X and Y and crystallizes in bee structure. Atoms of X are present at the
corners of the cube. Atoms of Y are present at the centre of the cube. The formula of the compound is
b. XY
e. XY2
d. XY
(page14)
10. Sodium crystallizes in boc structure. If the edge length of unit cell is 4.3X10 cm, the radius of Na atom is
a. 186x10 cm
b. 1.52x10 cm
c. 2.15x10 cm
d. 4.3x10cm
(page12
Yory short answer questions (1 Mark)
XY​

Answer 1

Answer:

1.a

2.c.

3.d

4 d

5.b

6.a

7.c

8.c

9.a.

10.c