NTA JEE Main 8th April 2017 Online
For the following questions answer them individually
NTA JEE Main 8th April 2017 Online - Question 31
Excess of NaOH (aq) was added to 100 mL of FeCl$$_3$$ (aq) resulting into 2.14 g of Fe(OH)$$_3$$. The molarity of FeCl$$_3$$(aq) is: (Given the molar mass of Fe = 56 g mol$$^{-1}$$ and molar mass of Cl = 35.5 g mol$$^{-1}$$)
NTA JEE Main 8th April 2017 Online - Question 32
If the shortest wavelength in Lyman series of hydrogen atom is $$A$$, then the longest wavelength in Paschen series of He$$^+$$ is:
NTA JEE Main 8th April 2017 Online - Question 33
Which of the following is paramagnetic?
NTA JEE Main 8th April 2017 Online - Question 34
$$sp^3d^2$$ hybridization is not displayed by
NTA JEE Main 8th April 2017 Online - Question 35
Among the following, the incorrect statement is:
NTA JEE Main 8th April 2017 Online - Question 36
The enthalpy change on freezing of 1 mol of water at 5°C to ice at $$-5$$°C is: (Given $$\Delta_{fus}H = 6$$ kJ mol$$^{-1}$$ at 0°C, $$C_p(H_2O, l) = 75.3$$ J mol$$^{-1}$$ K$$^{-1}$$, $$C_p(H_2O, s) = 36.8$$ J mol$$^{-1}$$ K$$^{-1}$$)
NTA JEE Main 8th April 2017 Online - Question 37
For a reaction, $$A(g) \to A(l)$$; $$\Delta H = -3RT$$. The correct statement for the reaction is:
NTA JEE Main 8th April 2017 Online - Question 38
Addition of sodium hydroxide solution to a weak acid (HA) results in a buffer of pH 6. If ionization constant of HA is $$10^{-5}$$, the ratio of salt to acid concentration in the buffer solution will be:
NTA JEE Main 8th April 2017 Online - Question 39
The pair of compounds having metals in their highest oxidation state is:
NTA JEE Main 8th April 2017 Online - Question 40
In which of the following reactions, hydrogen peroxide acts as an oxidizing agent?
