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For a good quality cement the ratio of (CaO)L (lime quick) to SiO_(2), Al_(2)O_(3) and Fe_(2)O_(3) is

For a given reaction K_p lt K_c. Increase of pressure favours

For a given reaction, DeltaH = 35.5kJ mol^(-1) and DeltaS = 83.6 JK^(-1) mol^(-1) .The reaction s spontaneous at : ( Assume atDeltaHand DeltaS do not vary with temperature )

For a given reaction, DeltaH = 35.5 kJ"mol"^(-1) and DeltaS = 83.6 J K^(-1) "mol"^(-1). The reaction is spontaneous at (assume that DeltaH and DeltaS do not vary with temperature.

For a given reaction at a particular temprature, the equilibrium constant value. Is thevalue of Q also constnat ? Explain.

For a given reaction, at a particular temperature, the equilibrium constant has value. Is the value of Q also constant ? Explain.

For a given mass of gas, if pressure is reduced to half and temperature is increased two times, then the volume of gas would become ___ times .

For a given mass of a gas, if pressure is reduced to half and temperature is doubled, then volume V will become

For a given gas, T_(C) = 40 K, then T_(i) is

For a given exthermic reaction , K_(p) nd K_(p)are the equilibrium constants at temperature T_(1) and T_(2) respectively . Assumbing that heat of reaction is constant in temperature range between T_(1) and T_(2)it is readily observed that

For a given exothermic reaction, K_(p) and K_(p) are the equilibirum constants at temperature T_(1) and T_(2) respectively. Assuming that heat of reaction is constant in temperature range between T_(1) and T_(2), it is readily observed that

For a gaseous reaction : A(g)to3B(g)+C(g),DeltaH is positive and the reaction attains equilibrium at 1 bar total pressure and 400 K. Identify the incorrect statement(s) regarding the above reaction:

For a gaseous phase reaction A_((g)) + 3 B_((g)) hArr 2 C_((g)) , initial pressure is 600 mm at 1 : 3 molar ratio of A and B . If the equilibrium pressure of A is 100 mm , that of B & C respectively are (in mm)

For a gaseous mixtue of 2.41g of helium and 2.79g of neon in an evacuated 1.04 dm^(3) container at 298 K Calculate the partial pressure of each gas and hence find the total pressure of the mixture.

For a gaseous homogeneous reaction at equilibrium, number of moles of products are greater than the number of moles of reactants. Is K_C is larger or smaller than K_P ?

For a gaseous homogeneous reaction at equilibrium number of moles of products are greater than the number of moles of reactants. Is K_c. is larger or smaller than K_p

For a gaseous homogeneous reaction at equilibrium, number of moles of products are greater than the number of moles of reactants. Is K_(C) is larger or smaller than K_(P')

For a gas having molar mass M, specific heat at constant pressure can be given as:

For A _((g)) + B _((s)) to 2 C _((g)) , Delta H and Delta S respectively are 50 KJ and 100 J/K respectively. Then at 228 ^(@)C

For a Friedel - Craft reaction using AlCl_3which compound can be used as solvent, benzene or nitrobenzene ?

For a fixed mass of an ideal gas the correct representation is:

For a equilibrium mixture in a closed vessel. N_(2(g)) + 3H_(2(g)) hArr 2NH_(3(g)) the value of equilibrium on constant depends.

For a cyclic process, the change in internal energy of the system is ____

For a conjugate acid -base pair , K_a and K_b are related as

For a concentrated solution ofa weak electrolyte, A_(x) B_(y) of concentration 'C', the degree of dissociation alpha is given by

For a compound LiAl(SiO_(3))_(2),What is thecharge on the SiO_(3) unit. What is the arrangement of oxygenatoms aroundthe siliconatom ?

For a compound to be aromatic it must have (4n + 2) pi electrons.

For a closed system consisting of a reaction N_(2) O_(4(g)) rarr 2NO_(2(g)), the pressure "_____________".

For a certain reaction, Delta H^(0) " & " Delta S^(0) respectively are 400kJ & 200 J/mol/K. The process is non-spontaneous at

For a balanced reversible gaseous reaction : A(g)+ B(g) hArr 3C(g)+2D(g), which is non-spontaneous at low temperature? Identify the corrrect option(s). [Assume DeltaH^(circ)and DeltaS^(circ) of reaction to be independent of temperature.]

Show that A ∪B =A ∩ B impliesA = B

For , A + B hArr C. the equilibrium concentration of A and B at a temperäture are 15 mol lit^(-1) When volume is doubled the reaction has equilibrium concentration of A as 10 mol lit^(-1) then

For A + B hArr C + D,Delta H = -Q KJ , K_(f) & K_(b) respectively are 0.25 & 5000 at 400 K . Now ,K_(c) for same process at 500 K may be

For a 3s- orbital Psi (3s) = 1/(9sqrt(3)) ((1)/(a_0))^(3//2) (6 - 6sigma + sigma^2)e^(-sigma//2), where sigma = (2rZ)/(3a_0) . What is the maximum radial distance of node from nucleus?

For 8g of helium gas (assume ideal behaviour), what is the slope of the straight line in PV VS T graph

From quantization of angular momentum, one gets for hydrogen atom. the radius of the n^(th) orbit as r_(n) = (n^(2))/(m_(e)) ((h)/(2 pi))^(2) ((4 pi^(2) epsilon_(0))/(e^(2)) )for a hydrogen like atom of atomic number 'Z'.

For 2H_(2)O_(2)to2H_(2)O+O_(2) What is the oxidation number of Oxygen in (2)?

For 2HIhArrH_(2)+I_(2), the equilibrium constant is K. What is the equilibrium constant for HIhArr1/2H_(2)+1/2I_(2) at the same temperature?

For 2H_(2)O_(2)to2H_(2)O+O_(2) What type of Redox reaction is it?

For 2A + 2B hArr2C + 2D K_(c) = (1)/(16) then K_(c)for C + DhArr A + B is _______

For 11.2L of an ideal gas at STP the value of PV is

For 1-methoxy-1,3-butadiene, which of the following resonating structure is the least stable?

For 1 - methoxy- 1,3- butadience ,which of the following resonating structure is the least stable ?

Following two equilibria are established seperately in 2 different containers of unequal volume. PCl_(5)(g)hArrPCl_(3)(g)+Cl_(2)(g) COCl_(2)(g)hArrCO(g)+Cl_(2)(g) Now the containers are connected together by a thin tube of negligible volume. Select incorrect statements. (Assume T constant)

Following two equilibrium is simultaneously established in a container. PCI_5(g)hArrPCI_3(g)+CI_2(g) CO(g)+CI_2(g)hArrCOCI_2(g) If some Ni(s) is introduced in the container forming Ni(CO)_4(g) then at new equilibrium.