Two substances \(X\) and \(Y\) are dissolved in water under suitable conditions. \(X\) is a gas while \(Y\) is a solid under normal conditions. Solution of \(\mathrm{Y}\) is found to conduct electricity but not "X." Based on the conclusion identify the nature of bond present in \(\mathrm{X}\) and \(\mathrm{Y}\) with appropriate reasons as given below. Arrange the steps given below in a sequence. (1) \(\mathrm{Y}\) is a solid at room temperature and its aqueous solution conducts electricity. This shows that it is an ionic compound. (2) \(\mathrm{X}\) on dissolution in water doesn't conduct electricity and is a gas at room temperature. Hence it should be a nonpolar covalent molecule. (3) Aqueous solutions of both ionic compounds and polar covalent compounds conduct electricity because of the presence of free ions. (4) All ionic compounds are solids and most of the nonpolar covalent molecules are gases or solids at room temperature. Polar covalent compounds are liquids or gases. (a) 3421 (b) 1432 (c) 1324 (d) 3124

Step by step solution

01

(Observe the properties of Y)

Substance Y is a solid at room temperature (normal conditions), and its solution conducts electricity. Step 2:

02

(Determine the type of bond present in Y)

From Step 1, we can conclude that Y is an ionic compound due to its ability to conduct electricity in a solution. (1) Step 3:

03

(Observe the properties of X)

Substance X is a gas at room temperature and does not conduct electricity when dissolved in water. Step 4:

04

(Determine the type of bond present in X)

From Step 3, we can conclude that X is a nonpolar covalent molecule as it does not conduct electricity in a solution and is a gas at room temperature. (2) Now that we have the steps in order for determining the bond types for both substance X and Y, let's compare them to the given options: - 3421 is not a correct order as steps 3 and 4 refer to the properties of ionic and polar covalent compounds but not specifically about X or Y. - 1432 is the correct order because it describes substance Y's properties (1), identifies its bond type (4), then moves to substance X's properties (3), and identifies its bond type (2). - 1324 and 3124 are not correct orders because it jumps from Y-related information to X without identifying its bond type and then moves back to Y. Therefore, the correct sequence is:

05

(Answer)

The correct order of steps is (b) 1432.

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