List of top Questions asked in JEE Advanced- 1987

When mercuric iodide is added to the aqueous solution of potassium iodide
A particle executes simple harmonic motion with a frequency f. The frequency with which its kinetic energy oscillates is
The IUPAC name of the compound $CH_2=CH-CH(CH_3)_2 $ is
The probability that at least one of the events $A$ and $B$ occurs is $0.6$. If $A$ and $B$ occur simultaneously with probability $0.2$, then $P (\bar A) +P(\bar B)$ is
Which of the following oxides of nitrogen is a coloured gas ?
Bromine can be liberated from potassium bromide solution by the action of
If two compounds have the same empirical formula but different molecular formulae, they must have
During a negative beta decay
Atomic radii of fluorine and neon in Angstrom units are respectively given by
The brown ring complex compound is formulated as $[Fe (H_2 O)_5 (NO)^+] SO_4.$ The oxidation state of iron is
Hydrogen bonding is maximum in
A solution of sodium sulphate in water is electrolysed using inert electrodes. The products at cathode and anode are respectively
Amongst the trihalides of nitrogen, which one is least basic?