Posted onJuly 25, 2022inchemistry Among the following, the narrow spectrum antibiotic is (1) penicillin G. (2) ampicillin (3) amoxycillin.
Posted onJuly 25, 2022inchemistry Which mixture of the solutions will lead to the formation of negatively charged colloidal [AgI]I-solution ?
Posted onJuly 22, 2022inchemistry Conjugate base for Brönsted acids H20 and HF are (3) OH– and F–, respectively
Posted onJuly 22, 2022inchemistry For the chemical reaction N2(g) + 3H2 (g) ⇌ 2NH3 (g) The correct option is –
Posted onJuly 21, 2022inchemistry The mixture that forms maximum boiling azeotrope is (1) Water + Nitric acid. (2) Ethanol + Water.
Posted onJuly 21, 2022inchemistry Among the following, the reaction that proceeds through an electrophilic substitution, is :
Posted onJuly 21, 2022inchemistry The non-essential amino acid among the following is (1) valine. (2) leucine. (3) alanine. (4) lysine.
Posted onJuly 21, 2022inchemistry If the rate constant for a first order reaction is k , the time (t) required for the completion of 99% of the reaction is given by
