NTA JEE Main 7th April 2013 Online
For the following questions answer them individually
NTA JEE Main 7th April 2013 Online - Question 51
The coagulating power of electrolytes having ions Na$$^+$$, Al$$^{3+}$$ and Ba$$^{2+}$$ for arsenic sulphide sol increases in the order,
NTA JEE Main 7th April 2013 Online - Question 52
Which of the following is wrong statement?
NTA JEE Main 7th April 2013 Online - Question 53
Which of the following arrangements does not represent the correct order of the property stated against it?
NTA JEE Main 7th April 2013 Online - Question 54
Given:
$$E^\circ_{Cr^{3+}/Cr} = -0.74$$ V; $$E^\circ_{MnO_4^-/Mn^{2+}} = 1.51$$ V
$$E^\circ_{Cr_2O_7^{2-}/Cr^{3+}} = 1.33$$ V; $$E^\circ_{Cl_2/Cl^-} = 1.36$$ V
Based on the data given above, strongest oxidising agent will be:
NTA JEE Main 7th April 2013 Online - Question 55
Which of the following complex species is not expected to exhibit optical isomerism?
NTA JEE Main 7th April 2013 Online - Question 56
An unknown alcohol is treated with the "Lucas reagent" to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism:
NTA JEE Main 7th April 2013 Online - Question 57
Compound (A), $$C_8H_9Cl$$, gives a white precipitate when warmed with alcoholic AgNO$$_3$$. Oxidation of (A) gives an acid (B), $$C_8H_6O_4$$. (B) easily forms anhydride on heating. Identify the compound (A).
NTA JEE Main 7th April 2013 Online - Question 58
An organic compound A upon reacting with $$NH_3$$ gives B. On heating, B gives C. C in presence of KOH reacts with $$Br_2$$ to give $$CH_3CH_2NH_2$$. A is :
NTA JEE Main 7th April 2013 Online - Question 59
A compound with molecular mass 180 is acylated with $$CH_3COCl$$ to get a compound with molecular mass 390. The number of amino groups presents per molecule of the former compound is
NTA JEE Main 7th April 2013 Online - Question 60
Synthesis of each molecule of glucose in photosynthesis involves
