\(Cu(S)+Sn^{2+} (0.001M) Cu^{2+} (0.01M) + Sn(s)\)The Gibbs free energy change for the above reaction at 298 K is x × 10-1 × kJ mol-1. The value of x is ________ .[nearest integer][Given \(E^{-}_{cu^{2+} / cu} = 0.34V; E^{-}_{Sn^{2+} / Sn} = - 0.14V; F = 96500 C ∼ mol^{-1}\)]
Moment of Inertia (M.I.) of four bodies having same mass ‘M‘ and radius ‘2R‘ are as follows:
I1 = M.I. of solid sphere about its diameter
I2 = M.I. of solid cylinder about its axis
I3 = M.I. of solid circular disc about its diameter.
I4 = M.I. of thin circular ring about its diameter
If 2(I2 + I3) + I4 = x⋅ I1 then the value of x will be ______.
Catalyst A reduces the activation energy for a reaction by 10 kJ mol–1 at 300 K. The ratio of rate constants,\(\frac{Κ′ , Catalysed}{Κ,Uncatalysed}\)is ex. The value of x is ____.[nearest integer][Assume that the pre-exponential factor is same in both the cases Given R = 8.31 J K–1 mol–1]
In a series LCR circuit, the inductance, capacitance and resistance are L = 100 mH, C = 100 μF and R = 10 Ω respectively. They are connected to an AC source of voltage 220 V and frequency of 50 Hz. The approximate value of current in the circuit will be ______ A.
In an experiment of CE configuration of n–p–n transistor, the transfer characteristics are observed as given in figure.
If the input resistance is 200 Ω and output resistance is 60 Ω, the voltage gain in this experiment will be______.
A solution of Fe2(SO4)3 is electrolyzed for ‘x’ min with a current of 1.5 A to deposit 0.3482 g of Fe. The value of x is _______. [nearest integer]
Given : 1 F = 96500 C mol–1.
Atomic mass of Fe = 56 g mol–1
Consider the following reactions.
\(PCl_3+H_2→A+HCL\)
\(A+H_2o→B+HCL\)
The number of ionisable protons present in the product B is