NTA JEE Main 22nd April 2013 Online
For the following questions answer them individually
NTA JEE Main 22nd April 2013 Online - Question 41
For which of the following compounds Kjeldahl method can be used to determine the percentage of Nitrogen?
NTA JEE Main 22nd April 2013 Online - Question 42
Arrange in the correct order of stability (decreasing order) for the following molecules: (I), (II), (III), (IV) - cyclohexane conformations
I.
II.
III.
IV.
NTA JEE Main 22nd April 2013 Online - Question 43
A major component of Borsch reagent is obtained by reacting hydrazine hydrate with which of the following?
NTA JEE Main 22nd April 2013 Online - Question 44
Clemmensen reduction of a ketone is carried out in the presence of :
NTA JEE Main 22nd April 2013 Online - Question 45
Which of the following would not give 2-phenylbutane as the major product in a Friedel-Crafts alkylation reaction?
NTA JEE Main 22nd April 2013 Online - Question 46
Which one of the following statements about packing in solids is incorrect?
NTA JEE Main 22nd April 2013 Online - Question 47
A molecule M associates in a given solvent according to the equation $$M \rightleftharpoons (M)_n$$. For a certain concentration of M, the van't Hoff factor was found to be 0.9 and the fraction of associated molecules was 0.2. The value of n is:
NTA JEE Main 22nd April 2013 Online - Question 48
Flocculation value of $$BaCl_2$$ is much less than that of KCl for sol A and flocculation value of $$Na_2SO_4$$ is much less than that of NaBr for sol B. The correct statement among the following is :
NTA JEE Main 22nd April 2013 Online - Question 49
In Goldschmidt aluminothermic process which of the following reducing agents is used :
NTA JEE Main 22nd April 2013 Online - Question 50
Oxidation state of sulphur in anions $$SO_4^{2-}$$, $$S_2O_4^{2-}$$ and $$S_2O_6^{2-}$$ increases in the orders :
