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प्रश्न
Write the formula of the following compound:
Potassium nitrite
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उत्तर
Potassium nitrite - KNO2 - `"NO"_2^(1-)`
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संबंधित प्रश्न
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| Column A | Column B |
| (a) Pb(NO3)2 | (i) rotten eggs smell |
| (b) CO2 | (ii) burns with a pop sound |
| (c) (NH4)2Cr2O7 | (iii) the suffocating smell of sulphur |
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| (e) NO2 | (v) crackling sound |
| (f) O2 | (vi) residue swells up |
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| (j) SO2 | (ix) fumes with NH3 solution |
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| Across | Down | ||
| 2 | The element used by Rutherford during his α–scattering experiment | 1 | A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air |
| 3 | An element which forms rust on exposure to moist air | 4 | Both brass and bronze are alloys of the element |
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