\( \Delta \)G\( ^\circ \) vs T plot for the formation of MgO, involving reaction 2Mg + O2 \( \to \) 2MgO, will look like :
The equilibrium constant for the reversible reaction
2A(g) \( \rightleftharpoons \) 2B(g) + C(g) is K1
\( {3 \over 2} \)A(g) \( \rightleftharpoons \) \( {3 \over 2} \)B(g) + \( {3 \over 4} \)C(g) is K2.
K1 and K2 are related as :
The correct order of electron gain enthalpy (\( - \) ve value) is :
For a solution of the gases A, B, C and D in water at 298 K, the values of Henry's law constant (KH) are 30.40, 2.34, 1.56 \( \times \) 10\( - \)5 and 0.513 k bar respectively. In the given graph, the lines marked as 'p' and 's' correspond respectively to :
The number of radial nodes and total number of nodes in 4p orbital respectively are :
The sum of all the elements of the set {α ∈ {1, 2, …, 100} : HCF(α, 24) = 1} is
The number of 5-digit natural numbers, such that the product of their digits is 36, is _____ .
The reaction of H2O2 with potassium permanganate in acidic medium leads to the formation of mainly
As per the given figure, two blocks each of mass $250 \,g$ are connected to a spring of spring constant $2 \,Nm ^{-1}$ If both are given velocity $v$ in opposite directions, then maximum elongation of the spring is :
The ratio of specific heats
\((\frac{c_p}{c_v}) \)
in terms of degree of freedom (f) is given by:
The equations of the sides AB, BC and CA of a triangle ABC are 2x + y = 0, x + py = 15a and x – y = 3, respectively. If its orthocentre is\((2, a),−\frac{1}{2}<a<2 \)then p is equal to _______.
Let S be the set of all the natural numbers, for which the line \(\frac{x}{a}+\frac{y}{b}=2 \)is a tangent to the curve\((\frac{x}{a})^n+(\frac{y}{b})^n=2 \)at the point (a, b), ab ≠ 0. Then :
