Ortho-Nitrophenol is less soluble in water than p- and m- Nitrophenols because :
If x, v and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period T, then. Which of the following does not change with time ?
Solid Ba (NO3)2 is gradually dissolved in 1 1.0×10−4M Na2CO3 solution. At what concentration of Ba2+ will a precipitate begin to form ? (Ksp for BaCO3=5.1×10−9)
Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire -2 has cross-sectional area 3A. If the length of wire 1 increases by Δx on applying force F, how much force is needed to stretch wire 2 by the same amount ?
A focus of an ellipse is at the origin. The directrix is the line x=4and the eccentricity is 1/2. Then the length of the semimajor axis is
Given ECr3+/Cr∘=−0.72V,EFe2+/Fe∘=−0.42V. The potential for the cell Cr/Cr3+(0.1)∣∣∣∣Fe2+(0.01M)∣∣∣∣Fe is