Which of the following are not correct at `298K`?

For the combustion reaction at 298K 2Ag(s)+1//2O_(2)(g) rarr Ag_(2)O(s) Which of the following alternatives is correct?

The equilibrium constant of the following isomerisation reaction at 400 K and 298 K are 2.07 and 3.42 respectively. cis-" butene"overset(k_(1))underset(k_(-1))hArr "trans - butene" Which of the following is/are correct? I. The reaction is exothermic II. The reaction is endothermic III. At 400 K 50% of cis - butene and 50% of trans - butene are present of equilibrium IV. Both at 298 K and 400 K, k_(1)=k_(-1) .

Which of the following graphs is correct for solubility of O_2 and N_2 in water at 298K.

Which of the following equations corresponds to the enthalpy of combustion at 298K ?

Which of the following equations corresponds to the definition of enthalpy of formation at 298K ?

Which of the following equations corresponds to the definition of enthalpy of formation at 298 K?

pOH of H_(2)O is 7.0 at 298K . If water is heated at 350 K , which of the following statement should be true?

Which of the following have melting point less than 298 K

A chemical reaction is spontaneous at 298 K but non spontaneous at 350 K . Which one of the following is true for the reaction ?

Which of the following interhalogen compound is a gas at 298K?