Chemistry - CHEMICAL BONDING Question with Solution | TestHub

ChemistryCHEMICAL BONDINGHydrogen BondingMedium2 minQB
ChemistryMediuminteger

Among the , Chloral , Orthochlorophenol , Sodium dihydrogen phosphate , HCN, Find the total number of molecules which have hydrogen bonding.

Answer:
4
Solution:

NaHCO₃: Contains O-H bonds in the bicarbonate anion (HCO₃⁻) which form intermolecular hydrogen bonds.

Orthochlorophenol: The -OH group forms intramolecular hydrogen bonds with the adjacent chlorine atom.

Sodium dihydrogen phosphate (NaH₂PO₄): Contains O-H bonds attached to phosphorus that undergo intermolecular hydrogen bonding.

HCN: The highly polar nature of sp-hybridized carbon allows HCN molecules to associate via linear intermolecular hydrogen bonds (C-H⋅⋅⋅N).

(Note: K₂HPO₃ contains a non-polar P-H bond, and Chloral (CCl₃CHO) lacks H attached to F, O, or N, so neither can form hydrogen bonds).

Stream:JEESubject:ChemistryTopic:CHEMICAL BONDINGSubtopic:Hydrogen Bonding
2mℹ️ Source: QB

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