Question

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20. X, Y and Z are three substances :*
i) X does not conduct electricity in solid or liquid state.
ii) Y conducts both in fused and solution state
ii) 2 conducts only in solution statë.....
Answer the following* :
a) What type of compounds X, Y and Z are in terms of linkages.
b) Suggest some X, Y and Z type compounds.
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Answer 1

Answer:

a) X compounds are non-polar covalent molecular compound

   Y compounds are Ionic compound

   Z compounds are acid compound

b) X compounds are: NaCl, KCl, Fe₂(SO₄)₃

   Y compounds are: CCl₄, C₆H₁₂O₆

   Z compounds are: HCl, HNO₃

Explanation:

There are three types of compound in chemistry.

1. Ionic compound

2. Molecular compound

3. Acidic compound

Ionic compound conduct electricity in the liquid state but does not conduct any electricity in the solid state. Molecular compounds are non-polar covalent bonded compound. They neither conduct electricity in the solid state nor in the liquid state. Acids are liquid substance. They conduct electricity in the liquid state.