Engineering Questions — Chemistry — JEE Main
145 solved questions with detailed explanations
Q.66. The descending order of acidity among the following compounds is A. [Figure: Phenol] B. [Figure: p-nitrophenol] C. [Figure: p-methoxyphenol] D. [Figure: Benzoic acid] E. [Figure: p-methylphenol
Q.54. At 27° C, 0.1 M, 1 L K₄[Fe(CN)₆] aqueous solution and 0.1 M, 1 L FeCl₃ aqueous solution are placed in a container separated by a semi permeable membrane AB. Assume complete dissociation of both
Q.75. For a reaction A P at T K, the half life () is plotted as a function of initial concentration of A as given below : [Figure: Graph of vs ] The value of x in the given figure is ______ s (Near
Q.64. The total number of aromatic compounds/species from the following is[Figure: Six chemical structures are shown. From left to right, top to bottom: 1. Benzene, 2. Naphthalene, 3. Anthracene, 4. C
Q.75. MX is a sparingly soluble salt that follows the given solubility equilibrium at 298 K MX(s) M⁺(aq) + X⁻(aq); K = 10⁻¹⁰ If the standard reduction potential for M⁺(aq) + e⁻ → M(s) is (E°) = 0.79V