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Which of the following statements about hydrogen is incorrect? (2019)

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Question: Which of the following statements about hydrogen is incorrect? (2019)

Options:

  1. Hydrogen is the lightest element.
  2. Hydrogen can form covalent bonds.
  3. Hydrogen exists as a diatomic molecule in nature.
  4. Hydrogen is a metal at room temperature.

Correct Answer: Hydrogen is a metal at room temperature.

Exam Year: 2019

Solution: 

Hydrogen is a non-metal at room temperature and does not exhibit metallic properties.

Which of the following statements about hydrogen is incorrect? (2019)

Practice Questions

Q1
Which of the following statements about hydrogen is incorrect? (2019)
  1. Hydrogen is the lightest element.
  2. Hydrogen can form covalent bonds.
  3. Hydrogen exists as a diatomic molecule in nature.
  4. Hydrogen is a metal at room temperature.

Questions & Step-by-Step Solutions

Which of the following statements about hydrogen is incorrect? (2019)
  • Step 1: Understand what hydrogen is. Hydrogen is the first element on the periodic table and is represented by the symbol 'H'.
  • Step 2: Know the state of hydrogen at room temperature. At room temperature, hydrogen is a gas.
  • Step 3: Identify the properties of hydrogen. Hydrogen is classified as a non-metal because it does not have metallic properties.
  • Step 4: Recognize metallic properties. Metallic properties include conductivity, malleability, and ductility, which hydrogen does not exhibit.
  • Step 5: Determine the incorrect statement. Since hydrogen is a non-metal and does not show metallic properties, any statement claiming otherwise would be incorrect.
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