NTA JEE Main 25th April 2013 Online

Instructions

For the following questions answer them individually

NTA JEE Main 25th April 2013 Online - Question 31


6 litres of an alkene require 27 litres of oxygen at constant temperature and pressure for complete combustion. The alkene is :

NTA JEE Main 25th April 2013 Online - Question 32


How many grams of methyl alcohol should be added to 10 litre tank of water to prevent its freezing at 268 K? ($$K_f$$ for water is 1.86 K kg mol$$^{-1}$$)

NTA JEE Main 25th April 2013 Online - Question 33


10 mL of 2(M) NaOH solution is added to 200 mL of 0.5(M) of NaOH solution. What is the final concentration?

NTA JEE Main 25th April 2013 Online - Question 34


Given (A) n = 5, $$m_l$$ = +1 (B) n = 2, $$l$$ = 1, $$m_l$$ = -1, $$m_s$$ = -1/2. The maximum number of electron(s) in an atom that can have the quantum numbers as given in (A) and (B) are respectively:

NTA JEE Main 25th April 2013 Online - Question 35


The catenation tendency of C, Si and Ge is in the order Ge < Si < C. The bond energies (in kJ mol$$^{-1}$$) of C-C, Si-Si and Ge-Ge bonds are respectively ;

NTA JEE Main 25th April 2013 Online - Question 36


Which one of the following cannot function as an oxidising agent?

NTA JEE Main 25th April 2013 Online - Question 37


In which of the following sets, all the given species are isostructural?

NTA JEE Main 25th April 2013 Online - Question 38


The internuclear distances in O-O bonds for $$O_2^+$$, $$O_2$$, $$O_2^-$$ and $$O_2^{2-}$$ respectively are :

NTA JEE Main 25th April 2013 Online - Question 39


The structure of which of the following chloro species can be explained on the basis of dsp$$^2$$ hybridization?

NTA JEE Main 25th April 2013 Online - Question 40


Which one of the following is the wrong assumption of kinetic theory of gases?

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