Chemistry
Ammonia can convert heated copper oxide to copper. This shows that ammonia is a …………… (reducing agent/oxidising agent).
Related Questions
An aqueous solution of gas X turns red litmus blue, so it must contain (i)…………… (hydrogen/ hydroxyl) ions. When this solution is added in excess to copper sulphate solution, it turns to (ii) …………… (deep blue/ pale blue) solution. Gas X is also a good (iii)……………(oxidising/reducing) agent, which in excess reacts with a greenish-yellow gas to form dense white fumes of (iv) …………… (hydrogen chloride/ammonium chloride).
The number of hydrogen atoms present in 1 mole of sulphuric acid and 1 mole of sulphurous acid are (X) and (Y), respectively. Relationship between X and Y is …………… (X=Y / cannot compare X and Y).
Hydrocarbon X decolourises bromine in carbon tetrachloride, and hydrocarbon Y does not decolourise bromine water. Both of the compounds burn with a sooty flame. The molecular formula of X and Y is …………… (C5H12 and C4H8 / C5H8 and C4H10).
The number of chain isomers possible for an alkane with 5 carbon atoms are …………… (3 / 4).