In which crystal system, the length of each stage (edge length) is same?

B a {S O}_{4}

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H g S

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C a {S O}_{4}

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Z n O

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Solution

The correct option is A $H g S$
Correct Option $- B$
Reason:- $B a S O_{4}$ & $C a S O_{4}$ has a parallelopiped structure and $Z n O$ has a hexagonal structure. So, in these molecules, the edge lengths are not the same whereas in $H g S$ it has a rhombohedral structure & hence same edge length.

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Similar questions

Q. Crystal system 'A' has all the edge lengths as same,

a = b = c

. Which of the following is the possible crystal system for the given crystal 'A'?

Q. Crystal system 'A' has all the edge lengths as same,

a = b = c

. Which of the following(s) is/are the possible crystal system for the given crystal 'A'?

Number of triclinic crystal system among the following
Graphite, $Z n O$ , $C d S$ , $(P b C O_{3})$ , $H g S$ (cinnabar), $K_{2} C r_{2} O_{7}$ , $C u S O_{4} . 5 H_{2} O$ , $H_{3} B O_{3}$

Q. What is the relation between edge length and angles between the edges in triclinic crystal system.

The solubility of $B a S O_{4}$ when $C a S O_{4}$ and $B a S O_{4}$ are dissolved in water simultaneously is: $(K_{S P} o f C a S O_{4} = P . K_{S P}$ of $B a S O_{4} = q$ and simultaneous solubility of $C a S O_{4}$ is ‘b’ mol/litre.)

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In which crystal system, the length of each stage (edge length) is same?

The correct option is A HgSCorrect Option −BReason:- BaSO4 & CaSO4 has a parallelopiped structure and ZnO has a hexagonal structure. So, in these molecules, the edge lengths are not the same whereas in HgS it has a rhombohedral structure & hence same edge length.

The correct option is A $H g S$
Correct Option $- B$
Reason:- $B a S O_{4}$ & $C a S O_{4}$ has a parallelopiped structure and $Z n O$ has a hexagonal structure. So, in these molecules, the edge lengths are not the same whereas in $H g S$ it has a rhombohedral structure & hence same edge length.