MCQ
In which of the following compounds intramolecular hydrogen bond is present
- AEthyl alcohol
- BWater
- ✓Salicylaldehyde
- DHydrogen sulphide

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$(A)$ $n=4,1=1$ $(B)$ $\mathrm{n}=4,1=2$ $(C)$ $\mathrm{n}=3,1=1$ $(D)$ $\mathrm{n}=3,1=2$ $(E)$ $n=4,1=0$
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