JEE Main 11th January 2019 Shift 2

Instructions

For the following questions answer them individually

JEE Main 11th January 2019 Shift 2 - Question 31


25 mL of the given HCl solution requires 30 mL of 0.1M sodium carbonate solution. What is the volume of this HCl solution required to titrate 30 mL of 0.2M aqueous NaOH solution?

JEE Main 11th January 2019 Shift 2 - Question 32


The de Broglie wavelength $$(\lambda)$$ associated with a photoelectron varies with the frequency $$(\nu)$$ of the incident radiation as, [$$\nu_0$$ is threshold frequency]:

JEE Main 11th January 2019 Shift 2 - Question 33


The correct option with respect to the Pauling electronegativity values of the elements is:

JEE Main 11th January 2019 Shift 2 - Question 34


The reaction $$MgO(s) + C(s) \to Mg(s) + CO(g)$$, for which $$\Delta H° = +491.1$$ kJ mol$$^{-1}$$ and $$\Delta S° = 198.0$$ JK$$^{-1}$$ mol$$^{-1}$$ is not feasible at 298 K. Temperature above which reaction will be feasible is

JEE Main 11th January 2019 Shift 2 - Question 35


The standard reaction Gibbs energy for a chemical reaction at an absolute temperature T is given by $$\Delta G° = A - BT$$ where A and B are non-zero constants. Which of the following is true about this reaction?

JEE Main 11th January 2019 Shift 2 - Question 36


For the equilibrium $$2H_2O \rightleftharpoons H_3O^+ + OH^-$$; the value of $$\Delta G°$$ at 298 K is approximately:

JEE Main 11th January 2019 Shift 2 - Question 37


Match the following items in column I with the corresponding items in column II.

JEE Main 11th January 2019 Shift 2 - Question 38


The hydride that is NOT electron deficient is:

JEE Main 11th January 2019 Shift 2 - Question 39


The relative stability of +1 oxidation state of group 13 elements follows the order

JEE Main 11th January 2019 Shift 2 - Question 40


Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution?

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