MCQ
Wavelength associated with electron motion
- AIncreases with increase in speed of electron
- BRemains same irrespective of speed of electron
- ✓Decreases with increase in speed of ${e^ - }$
- DIs zero
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Assertion $A :$ Dipole-dipole interactions are the only non-covalent interactions, resulting in hydrogen bond formation.
Reason $R$ : Fluorine is the most electronegative element and hydrogen bonds in $HF$ are symmetrical.
In the light of the above statements, choose the most appropriate answer from the options given below.
Reason : The carbon atom carrying negative charge has an octet of electrons.