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

Match the column A (type of crystalline solid) with the column B (example for each type)

A B
P. Molecular solid i. SiC
Q. Ionic solid ii. Mg
R. Metallic solid iii. H$$_2$$O
S. Network solid iv. MgO

A
P - iii, Q - i, R - ii, S - iv
B
P - iv, Q - iii, R - ii, S - i
C
P - ii, Q - iv, R - iii, S - i
D
P - iii, Q - iv, R - ii, S - i
2
KCET 2023
MCQ (Single Correct Answer)
+1
-0

A metal crystallises in a body centred cubic lattice with the metallic radius $$\sqrt3\mathop A\limits^o $$. The volume of the unit cell in $$\mathrm{m}^3$$ is

A
$$64 \times 10^{-29}$$
B
$$4 \times 10^{-29}$$
C
$$6.4 \times 10^{-29}$$
D
$$4 \times 10^{-10}$$
3
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 $$\mathrm{P}_2 \mathrm{Cl}_{10}$$
4
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%
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