Total number of nucleophiles from the followi | vedclass

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(A) nucleophile is a species that donates an electron pair to form a chemical bond. They are either negatively charged or neutral species with at leas

Vedclass · Accepted Answer

$5$

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(A) nucleophile is a species that donates an electron pair to form a chemical bond. They are either negatively charged or neutral species with at least one lone pair of electrons or a $\pi$-bond.$1$. $NH_3$: Has a lone pair on $N$.$2$. $PhSH$: Has lone pairs on $S$.$3$. $(H_3C)_2S$: Has lone pairs on $S$.$4$. $H_2C=CH_2$: Contains a $\pi$-bond.$5$. $\stackrel{\ominus}{O}H$: Negatively charged with lone pairs.$H_3O^{\oplus}$ is an electrophile (or acid),$(CH_3)_2CO$ is an electrophile (carbonyl carbon),and $CH_3CH=NCH_3$ has a lone pair on $N$ but is generally considered an electrophile at the $C=N$ bond,though it can act as a weak nucleophile. However,in standard classification,the first $5$ are clearly identified as nucleophiles.Thus,the total number of nucleophiles is $5$.

Total number of nucleophiles from the following is $:-$ $NH_3, PhSH, (H_3C)_2S, H_2C=CH_2, \stackrel{\ominus}{O}H, H_3O^{\oplus}, (CH_3)_2CO, CH_3CH=NCH_3$

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