Advertisements
Advertisements
प्रश्न
What happens when conc. is H2SO4 added to Cu? Write the equations.
उत्तर
When conc. H2SO4 is added to Cu then its leads to the formation of CuSO4, SO2 and H2O.
Cu + H2SO4 (conc.) → CuSO4 + SO2 + 2 H2O
APPEARS IN
संबंधित प्रश्न
Which of the following compounds contain S = O as well as S = S bonds?
(A) Sulphuric acid
(B) Thiosulphuric acid
(C) Sulphurous acid
(D) Thiosulphurous acid
H2O is liquid while H2S is gas at room temperature. Explain.
What happens when SO3 is passed through water? Write the equations.
Draw the structures of the following:
H2S2O7
Write the molecular and structural formulae of thiosulfuric acid.
Draw the structures of the following :
H2S2O7
In the preparation of \[\ce{H2SO4}\] by Contact Process, why is \[\ce{SO3}\] not absorbed directly in water to form \[\ce{H2SO4}\]?
Write the structure of pyrophosphoric acid.
Match the formulas of oxides given in Column I with the type of oxide given in Column II and mark the correct option.
| Column I | Column II |
| (A) \[\ce{Pb3O4}\] | (1) Neutral oxide |
| (B) \[\ce{N2O}\] | (2) Acidic oxide |
| (C) \[\ce{Mn2O7}\] | (3) Basic oxide |
| (D) \[\ce{Bi2O3}\] | (4) Mixed oxide |
Assertion: \[\ce{SF6}\] cannot be hydrolysed but \[\ce{SF4}\] can be.
Reason: Six \[\ce{F}\] atoms in \[\ce{SF6}\] prevent the attack of \[\ce{H2O}\] on sulphur atom of \[\ce{SF6}\].
