List-I (Oxoacids of Sulphur) |
List-II (Bonds) |
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A. | Peroxodisulphuric acid | I. | Two S-OH, Four S=O, One S-O-S |
B. | Sulphuric acid | II. | Two S-OH, One S=O |
C. | Pyrosulphuric acid | III. | Two S-OH, Four S=O, One S-O-O-S |
D. | Sulphurous acid | IV. | Two S-OH, Two S=O |
Options: | A | B | C | D |
1. | III | IV | II | I |
2. | I | III | II | IV |
3. | III | IV | I | II |
4. | I | III | IV | II |
Statement I: | The boiling points of the following hydrides of group 16 elements increase in the order \(\mathrm{H}_{2} \mathrm{O}<\mathrm{H}_{2} \mathrm{~S}<\mathrm{H}_{2} \mathrm{Se}<\mathrm{H}_{2} \mathrm{Te} \) |
Statement II: | The boiling points of these hydrides increase with the increase in molar mass. |
Compound of sulphur that has linkage among the following is:
1.
2.
3.
4.
The correct thermal stability order for \(\mathrm{H}_2 \mathrm{E},\) \(\mathrm{ E}=\mathrm{O}, \mathrm{S}, \mathrm{Se}, \mathrm{Te} \text { and } \mathrm{Po}\) among the following is:
1. \(\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{Te}<\mathrm{H}_2 \mathrm{Po}<\mathrm{H}_2 \mathrm{O}<\mathrm{H}_2 \mathrm{~S}\)
2. \(\mathrm{H}_2 \mathrm{~S}<\mathrm{H}_2 \mathrm{O}<\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{Te}<\mathrm{H}_2 \mathrm{Po}\)
3. \(\mathrm{H}_2 \mathrm{O}<\mathrm{H}_2 \mathrm{~S}<\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{Te}<\mathrm{H}_2 \mathrm{PO}\)
4. \(\mathrm{H}_2 \mathrm{Po}<\mathrm{H}_2 \mathrm{Te}<\mathrm{H}_2 \mathrm{Se}<\mathrm{H}_2 \mathrm{~S}<\mathrm{H}_2 \mathrm{O}\)
Identify the correct formula of 'oleum' from the following
1. H2S2O7
2. H2SO3
3. H2SO4
4. H2S2O8
Which of the following reactions does not exhibit the oxidising behaviour of H2SO4?
1. Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O
2. 3S + 2H2SO4 → 3SO2 + 2H2O
3. C + 2H2SO4 → CO2 + 2SO2 + 2H2O
4. CaF2 + H2SO4 → CaSO4 + 2HF
Which of the statements given below is incorrect?
1. \(\mathrm{C l_{2} O_{7 }}\)is an anhydride of perchloric acid
2. \(\mathrm{O_{3}}\) molecule is bent
3. ONF is isoelectronic with \(\mathrm{N O_{2}^{-}}\)
4. \(\mathrm{O F_{2}}\) is an oxide of fluorine
The acidity of diprotic acids in aqueous solution increases in the order:
1. H2S < H2Se < H2Te
2. H2Se < H2S < H2Te
3. H2Te < H2S < H2Se
4. H2Se < H2Te < H2S
The given sequence among the following arrangements that is not strictly according to the property indicated against it.
1. | \(\small{\text{increasing} \ p K_{a}\ \text{values}}\) | H2O < H2S < H2Se < H2Te :
2. | \(\small{\mathrm{N H_{3} < P H_{3} < A s H_{3} < S b H_{3}} : \text{increasing acidic character}}\) |
3. | \(\small{\mathrm{C O_{} < S i O_{} < S n O_{} < P b O_{2}} : \text{increasing oxidising power}} \) |
4. | \(\small{\mathrm{H F < H C l < H B r < H I} : \text{increasing acidic strength}} \) |
Match List-I (substances) with List-II (processes) employed in the manufacture of the substances and select the correct option.
List –I (Substances) | List – II (Processes) |
(a) Sulphuric acid | (i) Haber's Process |
(b) Steel | (ii) Bessemer's Process |
(c) Sodium carbonate | (iii) Leblanc Process |
(d) Ammonia | (iv) Contact Process |
Options : | (a) | (b) | (c) | (d) |
1. | (i) | (ii) | (iii) | (iv) |
2. | (iv) | (iii) | (ii) | (i) |
3. | (iv) | (ii) | (iii) | (i) |
4. | (i) | (iv) | (ii) | (iii) |