JEE Main 2016

Which of the following atoms has the highest first ionization energy ?

Which one of the following ores is best concentrated by froth floatation method ?

Which one of the following statements about water is FALSE ?

The main oxides formed on combustion of Li, Na and K in excess of air are, respectively :

The reaction of zinc with dilute and concentrated nitric acid, respectively produces :

The pair in which phosphorous atoms have a formal oxidation state of + 3 is :

Which of the following compounds is metallic and ferromagnetic ?

The pair having the same magnetic moment is : [At. No.: Cr = 24, Mn = 25, Fe = 26, Co = 27]

Which one of the following complexes shows optical isomerism ?

The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 p…

The distillation technique most suited for separating glycerol from spentlye in the soap industry is :

The absolute configuration of is :

2chloro2methylpentane on reaction with sodium methoxide in methanol yields :

The reaction of propene with HOCl (Cl2 + H2O) proceeds through the intermediate :

In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br2 used per mole of amine produced are :

Which of the following statements about low density polythene is FALSE ?

Thiol group is present in :

Which of the following is an anionic detergent ?

The hottest region of Bunsen flame shown in the figure below is :

If f(x) + 2y 1 x   = 3x, x  0, and S = {x  R : f(x) = f(x)}; then S: