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(A) Hydrogen bonding occurs in molecules where hydrogen is covalently bonded to a highly electronegative atom like $F, O,$ or $N$.$1$. $CH_3OH$: Conta

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$5$

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(A) Hydrogen bonding occurs in molecules where hydrogen is covalently bonded to a highly electronegative atom like $F, O,$ or $N$.$1$. $CH_3OH$: Contains $-OH$ group,exhibits $H$-bonding.$2$. $H_2O$: Contains $O-H$ bonds,exhibits $H$-bonding.$3$. $C_2H_6$: Only $C-H$ bonds,no $H$-bonding.$4$. $C_6H_6$: Only $C-H$ bonds,no $H$-bonding.$5$. $	ext{o-nitrophenol}$: Contains $-OH$ group and $-NO_2$ group,exhibits intramolecular $H$-bonding.$6$. $HF$: Contains $H-F$ bond,exhibits $H$-bonding.$7$. $NH_3$: Contains $N-H$ bonds,exhibits $H$-bonding.Total molecules exhibiting $H$-bonding are $CH_3OH, H_2O, 	ext{o-nitrophenol}, HF, NH_3$,which equals $5$.

Number of molecules from the following which can exhibit hydrogen bonding is $..........$ (nearest integer).
$CH_3OH, H_2O, C_2H_6, C_6H_6, \text{o-nitrophenol}, HF, NH_3$

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Number of molecules from the following which can exhibit hydrogen bonding is $..........$ (nearest integer).$CH_3OH, H_2O, C_2H_6, C_6H_6, \text{o-nitrophenol}, HF, NH_3$