MCQ
Nucleophile is a species that should have:
- AA pair of electrons to donate.
- BPositive charge.
- CNegative charge.
- DElectron deficient species.
Explanation:
Nucleophile (nucleus-loving) is a chemical species that donates an, electron pair to an electrophile (electron-loving). Hence, a nucleophile should have either a negative charge or an electron pair to donate.
Thus, options (a) r and (c) are correct.
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($R = 0.082\, L\, atm\, mol^{-1}\, K^{-1}$, Molar mass of $S = 32\, g\, mol^{-1}$, molar mass of $N = 14\, g\, mol^{-1}$)
$A_2(g) + 2B(g) \rightleftharpoons C(g) + Q\, kJ$ would be higher at