JEE (Advanced) 2011 Paper-1
For the following questions answer them individually
When a metal rod M is dipped into an aqueous colourless concentrated solution of compound N, the solution turns light blue. Addition of aqueous NaCl to the blue solution gives a white precipitate O. Addition of aq. $$NH_3$$ dissolves O and gives an intense blue solution.
An acyclic hydrocarbon P, having molecular formula $$C_6H_{10}$$, gave acetone as the only organic product through the following sequence of reactions, in which Q is an intermediate organic compound.
For the following questions answer them individually
Reaction of $$Br_2$$ with $$Na_2CO_3$$ in aq. solution gives sodium bromide and sodium bromate with evolution of $$CO_2$$ gas. The number of sodium bromide molecules involved in the balanced chemical equation is.
789
456
123
0.-
Clear All
The difference in the oxidation numbers of the two types of sulphur atoms in $$Na_2S_4O_6$$ is.
789
456
123
0.-
Clear All
The maximum number of electrons that can have principal quantum number, n = 3 and spin quantum number, ms = - 1/2, is.
789
456
123
0.-
Clear All
A decapeptide (mol. wt. 796) on complete hydrolysis gives glycine (mol. wt. 75), alanine and phenylalanine. Glycine contributes 47.0% to the total weight of the hydrolysed products. The number of glycine units present in the decapeptide is.
789
456
123
0.-
Clear All
