1
KCET 2023
MCQ (Single Correct Answer)
+1
-0

In solid state, $$\mathrm{PCl}_5$$ is a/an

A
octahedral structure
B
ionic solid with $$\left[\mathrm{PCl}_6\right]^{+}$$ and $$\left[\mathrm{PCl}_4\right]$$
C
ionic solid with $$\left[\mathrm{PCl}_4\right]^{+}$$ and $$\left[\mathrm{PCl}_6\right]^{-}$$
D
covalent solid present in the form of $$\mathrm{P}_2 \mathrm{Cl}_{10}$$
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Vacant space in body centered cubic lattice unit cell is about

A
10%
B
23%
C
46%
D
32%
3
KCET 2022
MCQ (Single Correct Answer)
+1
-0

How many number of atoms are there in a cube based unit cell, having one atom on each corner and 2 atoms on each body diagonal of cube?

A
6
B
4
C
9
D
8
4
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following is not true about the amorphous solids?

A
They may become crystalline on keeping for long time.
B
Amorphous solids can be moulded by heating.
C
They are anisotropic in nature.
D
On heating they may become crystalline at certain temperature.
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