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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Assertion : Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.

Reason : The reaction between nitrogen and oxygen requires high temperature.

  • A
    The assertion is incorrect, but the reason is correct
  • B
    Both the assertion and reason are incorrect
  • ✓
    Both assertion and reason are correct, and the reason is the correct explanation for the assertion
  • D
    Both assertion and reason are correct, but the reason is not the correct explanation for the assertion
✓

Answer

Correct option: C.
Both assertion and reason are correct, and the reason is the correct explanation for the assertion
c
Nitrogen and oxygen in air do not react to form oxides of nitrogen in atmosphere because the reaction between nitrogen and oxygen requires high temperature.

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