Which of the following statements is true?
H3PO3 is a stronger acid than H2SO3
In aqueous medium HF is a stronger acid than HCl
HClO4 is a weaker acid than HClO3
HNO3 is a stronger acid than HNO2
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Which blue liquid is obtained on reacting equimolar amounts of two gases at –30°C? |
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The decreasing values of bond angles from NH3 (106°) to SbH3 (101°) down group–15 of the periodic table is due to |
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Which of the following molecules has trigonal planner geometry |
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NO2 is not obtained on heating |
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Which is the most thermodynamically stable allotropic form of phosphorus? |
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Which of the following is arranged in the increasing order of enthalpy of vaporisation? |
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Which compound has the maximum number of lone pair of electrons on the central atom? |
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In XeF2, XeF4, XeF6 molecules, the number of lone pairs of Xe are respectively |
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Roasting of sulphides gives the gas X as a byproduct This is a colorless gas with choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic and acts as a reducing agent and its acid has never been isolated. The gas X is |
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The correct IUPAC name for [CrF2(en)2]Cl is: |
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