रोचक हिंदी ज्ञान on Instagram: "The video captures a distant orange explosion from China's failed Long March 3B rocket launch on 16 January 2026, visible over mountains from a nearby rural area, highlighting the proximity of populated zones to test sites. Replies emphasise the danger of the red vapour as dinitrogen tetroxide (N₂O₄), a toxic oxidiser used in hypergolic fuels; exposure can cause severe respiratory damage, with studies showing it reacts violently with water to form corrosive nitric

Dinitrogen tetroxide decomposes to nitrogen dioxide:N2​O4​(g)⟶2... | Filo

The space shuttle Orbiter uses the oxidation of methyl hydrazin... | Filo

Use heats of formation for this questionIs the formation of dinitrogen tetroxide from nitrogen dioxideendothermic or exothermic? How much energy is absorbed or released?Assume standard conditions.2NO2( g) → N2O 4( g)