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
Posted onJuly 21, 2022inchemistry pH of a saturated solution of Ca(OH)2 is 9. The solubility product (Ksp) of Ca(OH)2 is
Posted onJuly 21, 2022inchemistry The biodegradable polymer is (1) Nylon-6,6 (2) Nylon-2-Nylon-6 (3) Nylon-6 (4) Buna-s
Posted onJuly 21, 2022inchemistry For the second period elements the correct increasing order of first ionization enthalpy is