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Question Type 5

Structural Diagrams

Class 10 - ICSE Chemistry Solved Competency Focused Questions



Structural Diagram (1 Mark Each)

Question 69

Draw the structural diagram of the product obtained when ethene reacts with chlorine.

Answer

The product obtained is 1,2-dichloro ethane:

Draw the structural diagram of the product obtained when ethene reacts with chlorine-Competency Focused Practice Questions

Question 70

An organic acid on cooling below 16.5°C crystallises out in the pure form, forming a crystalline mass resembling ice. Draw the structural diagram of this carboxylic acid.

Answer

The carboxylic acid is glacial acetic acid:

An organic acid on cooling below 16.5°C crystallises out in the pure form, forming a crystalline mass resembling ice. Draw the structural diagram of this carboxylic acid. Competency Focused Practice Questions

Question 71

Magnesium ribbon is added to dilute HCl. A gas is liberated along with the formation of a compound. Draw an electron dot diagram to show the structure of the compound that is formed.

Answer

HCl reacts with magnesium ribbon to form MgCl2 and hydrogen gas is liberated. Electron dot diagram of MgCl2 is shown below: positive

Magnesium ribbon is added to dilute HCl. A gas is liberated along with the formation of a compound. Draw an electron dot diagram to show the structure of the compound that is formed. Competency Focused Practice Questions

Question 72

Draw the chain Isomer for the following organic compound.

Draw the chain Isomer for the following organic compound. Competency Focused Practice Questions

Answer

Chain Isomer of pentene is shown below:

Draw the chain Isomer for the following organic compound. Competency Focused Practice Questions

Question 73

Calcium hydroxide dissolves in water and forms a ion and a negative ion. Draw the structure of the negative ion.

Answer

The negative ion formed is hydroxyl ion. Its structure is shown below:

Calcium hydroxide dissolves in water and forms a ion and a negative ion. Draw the structure of the negative ion. Competency Focused Practice Questions

Question 74

Draw the structure of the following organic compounds:
2–methyl butane

Answer

Structure of 2–methyl butane is shown below:

Draw the structure of the following organic compounds,2 – methyl butane-Competency Focused Practice Questions

Question 75

The equation given below represents the molecule formation of element X. Fill in the box with the electron dot structure of the molecule.

The equation given below represents the molecule formation of element X. Fill in the box with the electron dot structure of the molecule. Competency Focused Practice Questions

Answer

Completed equation is shown below:

The equation given below represents the molecule formation of element X. Fill in the box with the electron dot structure of the molecule. Competency Focused Practice Questions

Question 76

Draw an isomer of the given structure:

Draw an isomer of the given structure: Competency Focused Practice Questions

Answer

The given structure is of Iso-butane. Its isomer is shown below:

Draw an isomer of the given structure-Competency Focused Practice Questions
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