Identify the product Y in the following reaction
What is the relation between molar mass of solute and boiling point elevation of solution?
What is the pH of the solution containing 1.342 x 10–3 M H+ ions? (log 1.342 =0.1277)
The reagent used in Hofmann elimination reaction is
The ratio of the speed of sound in helium gas to that in nitrogen gas at same temperature is (γHe = \(\frac {5}{3}\), γN2 = 4 , M N2 =28)
An electron jumps from the 4th orbit to the 2nd orbit of hydrogen atom. Given the Rydberg’s constant R = 107 m-1. The frequency in Hz of the emitted radiation is (c = 3x108 m/s)
A van is moving with a speed of 108 km/hr on a level road where the coefficient of friction between the tyres and the road is 0.5. For the safe driving of the van, the minimum radius of curvature of the road shall be (Acceleration due to gravity, g=10 m/s2)
The maximum speed of a particle in S.H.M. is V. The average speed is
A galvanometer of resistance G has voltage range Vg. Resistance required to convert it to read voltage up to V is
