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An examinations of saturated hydrocarbons containing methyl group show asymmetrical (Vas) and symmetrical (Vs) stretching modes in the region of:
  • a)
    2960 and 2870 cm–1
  • b)
    3200 and 3100 cm–1
  • c)
    1800 and 1700 cm–1
  • d)
    1650 and 1450 cm–1
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
An examinations of saturated hydrocarbons containing methyl group show...
The region of 2960 and 2870 cm-1 corresponds to the stretching modes of C-H bonds in saturated hydrocarbons containing a methyl group.

The asymmetrical stretching mode (Vas) occurs at higher wavenumbers, around 2960 cm-1. This mode involves the stretching of the C-H bond in the methyl group that is attached to a different carbon atom than the other two hydrogen atoms.

The symmetrical stretching mode (Vs) occurs at lower wavenumbers, around 2870 cm-1. This mode involves the stretching of the C-H bond in the methyl group that is attached to the same carbon atom as the other two hydrogen atoms.

The presence of both Vas and Vs stretching modes indicates the presence of a methyl group in the saturated hydrocarbon molecule.
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An examinations of saturated hydrocarbons containing methyl group show asymmetrical (Vas) and symmetrical (Vs) stretching modes in the region of:a)2960 and 2870 cm–1b)3200 and 3100 cm–1c)1800 and 1700 cm–1d)1650 and 1450 cm–1Correct answer is option 'A'. Can you explain this answer?
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An examinations of saturated hydrocarbons containing methyl group show asymmetrical (Vas) and symmetrical (Vs) stretching modes in the region of:a)2960 and 2870 cm–1b)3200 and 3100 cm–1c)1800 and 1700 cm–1d)1650 and 1450 cm–1Correct answer is option 'A'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about An examinations of saturated hydrocarbons containing methyl group show asymmetrical (Vas) and symmetrical (Vs) stretching modes in the region of:a)2960 and 2870 cm–1b)3200 and 3100 cm–1c)1800 and 1700 cm–1d)1650 and 1450 cm–1Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An examinations of saturated hydrocarbons containing methyl group show asymmetrical (Vas) and symmetrical (Vs) stretching modes in the region of:a)2960 and 2870 cm–1b)3200 and 3100 cm–1c)1800 and 1700 cm–1d)1650 and 1450 cm–1Correct answer is option 'A'. Can you explain this answer?.
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