KCET 2023 | Solid State Question 3 | Chemistry

If '$$a$$' stands for the edge length of the cubic systems. The ratio of radii in simple cubic, body centred cubic and face centred cubic unit cells is

$$1 a: \sqrt{3} a: \sqrt{2} a$$

$$\frac{1}{2} a: \frac{\sqrt{3}}{4} a: \frac{1}{2 \sqrt{2}} a$$

$$\frac{1}{2} a: \frac{\sqrt{3}}{2} a: \frac{\sqrt{2}}{2} a$$

$$\frac{1}{2} a: \sqrt{3} a: \frac{1}{\sqrt{2}} a$$

KCET 2023

MCQ (Single Correct Answer)

-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

P - iii, Q - i, R - ii, S - iv

P - iv, Q - iii, R - ii, S - i

P - ii, Q - iv, R - iii, S - i

P - iii, Q - iv, R - ii, S - i

KCET 2023

MCQ (Single Correct Answer)

-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

$$64 \times 10^{-29}$$

$$4 \times 10^{-29}$$

$$6.4 \times 10^{-29}$$

$$4 \times 10^{-10}$$

KCET 2023

MCQ (Single Correct Answer)

-0

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

octahedral structure

ionic solid with $$\left[\mathrm{PCl}_6\right]^{+}$$ and $$\left[\mathrm{PCl}_4\right]$$

ionic solid with $$\left[\mathrm{PCl}_4\right]^{+}$$ and $$\left[\mathrm{PCl}_6\right]^{-}$$

covalent solid present in the form of $$\mathrm{P}_2 \mathrm{Cl}_{10}$$

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