The heating of NH₄NO₂ at 60–70 °C and NH₄NO₃ at 200–250 °C is associated with the formation of nitrogen containing compounds X and Y, respectively. X and Y, respectively, are

The correct order of the wavelength maxima of the absorption band in the ultraviolet-visible region for the given complexes is

One of the products formed from the reaction of permanganate ion with iodide ion in neutral aqueous medium is

Consider the depicted hydrogen (H) in the hydrocarbons given below. The most acidic hydrogen (H) is