NTA JEE Main 23rd April 2013 Online
For the following questions answer them individually
NTA JEE Main 23rd April 2013 Online - Question 31
Number of atoms in the following samples of substances is largest in:
NTA JEE Main 23rd April 2013 Online - Question 32
The de Broglie wavelength of a car of mass 1000 kg and velocity 36 km/hr is :
NTA JEE Main 23rd April 2013 Online - Question 33
Which is the correct order of second ionization potential of C, N, O and F in the following?
NTA JEE Main 23rd April 2013 Online - Question 34
The shape of $$IF_6^-$$ is :
NTA JEE Main 23rd April 2013 Online - Question 35
Bond distance in HF is $$9.17 \times 10^{-11}$$ m. Dipole moment of HF is $$6.104 \times 10^{-30}$$ Cm. The percentage ionic character in HF will be : (electron charge = $$1.60 \times 10^{-19}$$ C)
NTA JEE Main 23rd April 2013 Online - Question 36
The correct order of viscosity of the following liquids will be :
NTA JEE Main 23rd April 2013 Online - Question 37
Which of the following statements/relationships is not correct in thermodynamic changes?
NTA JEE Main 23rd April 2013 Online - Question 38
(1) $$N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g)$$, $$K_1$$
(2) $$N_2(g) + O_2(g) \rightleftharpoons 2NO(g)$$, $$K_2$$
(3) $$H_2(g) + \frac{1}{2}O_2(g) \rightleftharpoons H_2O(g)$$, $$K_3$$
The equation for the equilibrium constant of the reaction $$2NH_3(g) + \frac{5}{2}O_2(g) \rightleftharpoons 2NO(g) + 3H_2O(g)$$, $$(K_4)$$ in terms of $$K_1$$, $$K_2$$ and $$K_3$$ is :
NTA JEE Main 23rd April 2013 Online - Question 39
What is the pH of a $$10^{-4}$$ M OH$$^-$$ solution at 330 K, if $$K_w$$ at 330 K is $$10^{-13.6}$$?
NTA JEE Main 23rd April 2013 Online - Question 40
The numbers of protons, electrons and neutrons in a molecule of heavy water are respectively :
