At 25⁰C, the dissociation constant of a base, BOH, is 1.0 ˣ 10⁻¹².
At 25⁰C, the dissociation constant of a base, BOH, is 1.0 ˣ 10⁻¹². The concentration of hydroxyl ions in 0.01…
At 25⁰C, the dissociation constant of a base, BOH, is 1.0 ˣ 10⁻¹². The concentration of hydroxyl ions in 0.01…
A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle θ. The…
The best method for the separation of naphthalene and benzoic acid from their mixture is Options (a) distillation (b) sublimation…
The rate of reaction between two reactants A and B decreases by a factor of 4 if the concentration of…
The nuclei of which one of the following pairs of nuclei are isotones? Options (a) ₃₄Se⁷⁴,₃₁Ga⁷¹ (b) ₃₈Sr⁸⁴,₃₈Sr⁸⁶ (c) ₄₂Mo⁹²,₄₀Zr⁹²…
The number of moles of KMnO₄ reduced by one mole of KI in alkaline medium is Options (a) one (b)…
Electrolytic reduction of nitrobenzene in weakly acidic medium gives Options (a) N-phenylhydroxylamine (b) nitrosobenzene (c) aniline (d) p-hydroxyaniline Correct Answer:…
Four successive members of the first row transition elements are listed below with their atomic numbers.which one of them is…
In a face-centered cubic lattice, a unit cell is shared equally by how many unit cells Options (a) 2 (b)…
Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å. The value of lattice constant for this…