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NEET 2023
Exam
NEET
Year
2023
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

NEET 2023 · Chemistry · Chemical Bonding and Molecular Structure

The correct order of dipole moments for molecules NH_3, H_2 ~S,...

The correct order of dipole moments for molecules NH3,H2 S,CH4\mathrm{NH}_3, \mathrm{H}_2 \mathrm{~S}, \mathrm{CH}_4 and HF\mathrm{HF}, isThe correct order of dipole moments for molecules NH_3, H_2 ~S, CH_4 and HF , is

Options

  1. ANH3>HF>CH4>H2 S\mathrm{NH}_3>\mathrm{HF}>\mathrm{CH}_4>\mathrm{H}_2 \mathrm{~S}
  2. BHF>NH3>H2 S>CH4\mathrm{HF}>\mathrm{NH}_3>\mathrm{H}_2 \mathrm{~S}>\mathrm{CH}_4
  3. CCH4>H2 S>NH3>HF\mathrm{CH}_4>\mathrm{H}_2 \mathrm{~S}>\mathrm{NH}_3>\mathrm{HF}
  4. DH2 S>NH3>HF>CH4\mathrm{H}_2 \mathrm{~S}>\mathrm{NH}_3>\mathrm{HF}>\mathrm{CH}_4

Correct answer

B. HF>NH3>H2 S>CH4\mathrm{HF}>\mathrm{NH}_3>\mathrm{H}_2 \mathrm{~S}>\mathrm{CH}_4

Step-by-step solution

Fluorine is the most electronegative element. H−F\mathrm{H}-\mathrm{F} bond has maximum bond polarity. Order of dipole moment is The correct order of dipole moments for molecules NH_3, H_2 ~S, CH_4 and HF , is
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