SN | PROPERTY/QUESTION | REASON |
1 | Sulphur has greater catenation than oxygen | S-S bond is stronger bond than O-O |
2 | Supersonic jet planes are responsible for ozone depletion | Emission of NO. NO+O3=NO2+O2 |
3 | SF4 is easily hydrolysed than SF6 | SF6 is exceptionally stable to octahedral symmetry. |
4 | H2O is more polar than H2S | Oxygen is more electronegative. |
5 | O2 is paramagnetic | Presence of two unpaired electron in antibonding MO |
6 | Oxygen do not show +4 or +6 O.S | Due to absence of d-orbital in oxygen |
7 | Ozone acts as oxidizing agent | Due to liberation of nascent oxygen. |
8 | Sulphur is solid , oxygen is a gas | Pπ- Pπ bonding in oxygen. Sulphur shows catenation |
9 | SO2 is an air pollutants | SO2+H2O=H2SO4 Which is corrosive and poisonous. |
10 | In contact process for the preparation of H2SO4, SO3 is absorbed in H2SO4. | SO3 forms acid fog when absorbed in H2O. |
11 | Ka2 is less than Ka1 for H2SO4 in H2O | HSO4- has less tendency to donate proton as compared to H2SO4 |
12 | Oxygen forms hydrogen bond but chlorine does not | Size of oxygen is small in comparison to chlorine |
13 | HClO4 is stronger acid than HClO3 | Higher oxidation state of non metal, highernon metallic character, more is acidic strength. |
14 | Halogens are strong oxidizing agent | Halogens readily accepts electron |
15 | ClF3 has T- shaped structure | Sp3d hybridization |
16 | Bond dissociation energy of F2 is less than Cl2 | Due to small size of F, interelectronic repulsion is larger than Cl |
17 | Covalent fluoride is more inert than other covalent halide | Stronger bond with fluorine.
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18 | ClF3 exist but FCl3 does not | Size of fluorine is too small to hold three bulky chlorine |
19 | ICl is more reactive than I2 | I-Cl bond is weaker bond than I2 |
20 | Halogens are coloured | Absorption of light in visible range |
21 | Structure of xenon fluoride can not be explained by VBT | Xenon has fulfilled orbital. |
21 | Noble gases have comparatively large atomic size. | Vander wall radii is larger than metallic and covalent radii. |
22 | Noble gas form compounds with oxygen and fluorine | oxygen and fluorine are more electronegative |
23 | Helium is used in diving apparatus | He is less soluble in blood |