Solid State Test

Result

Solid State Test - 72

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Weekly Quiz Competition

Question 1
1 / -0

The atomic radius of strontium $$(Sr)$$ is $$215\ pm$$ and it crystalllises in cubic closed packed structure. The edge length of cube is :-

A
$$430\ pm$$

B
$$608.2\ pm$$

C
$$496.5\ pm$$

D
$$None\ of\ these$$

Solution
Question 2
1 / -0

The number of $$Na^{+}ions$$ filling all octahedral voids in $$NaCl$$ structure are

A
$$6$$

B
$$12$$

C
$$13$$

D
$$14$$
Question 3
1 / -0

Edge length of a cubic unit cell is 354 pm,The distance between two atoms diagonally opposite on the face is

A
500 pm

B
354 pm

C
700 pm

D
627 pm

Solution
Question 4
1 / -0

The unit cell has an edge length 403 pm.The distance between two atoms placed opposite ends of body diagonal will be :

A
8.6 pm

B
201.5 pm

C
698 pm

D
578 pm

Solution
Question 5
1 / -0

Which of the following is the component of $$CsI_3$$ lattice?

A
$$Cs^+, I^-$$ & $$I_2$$ molecule

B
Covalent bond

C
$$Cs^+$$ & $$I_3^-$$ ions

D
$$Cs^+$$ & $$I_2$$
Question 6
1 / -0

What is a Unit cell?

A
$$\text{a compound}$$

B
$$\text{a molecules with some charge}$$

C
$$\text{smallest group of atoms}$$

D
$$\text{none of the above}$$

Solution
Question 7
1 / -0

According to recent studies which of the following interstitial hydrides have simi-lattices that of their parent metals

A
$$La, Yb, W$$

B
$$Yb, W, V$$

C
$$V, I, a$$

D
$$N, Pd, Ce, Ac$$
Question 8
1 / -0

An atomic soild has hexagonal arrangement of unit cell with height of hexagonal as $$h$$. The radius of atom terms of height is?

A
$$4\sqrt { \dfrac { 2 }{ 3 } } h$$

B
$$\dfrac { h }{ 4 } \sqrt { \dfrac { 2 }{ 3 } } $$

C
$$\dfrac { h }{ 2 } \sqrt { \dfrac { 3 }{ 2 } } $$

D
$$\dfrac { h }{ 4 } \sqrt { \dfrac { 3 }{ 2 } } $$
Question 9
1 / -0

Ammonium chloride crystallizes in a body centred cubic lattice with edge length of unit cell of 390 pm. If the size of chloride ion is 180 pm, the size of ammonium ion would be :

A
158 cm

B
174 cm

C
142 cm

D
126 cm

Solution
Question 10
1 / -0

What forms a crystal of $$NaCl$$?

A
NaCl molecules

B
$$Na^+$$ and $$Cl^-$$ ions

C
$$Na$$ and $$Cl$$ atoms

D
None

Solution