Hydrogen fluoride is a better reducing a...

Hydrogen fluoride is a better reducing agent than hydrogen bromide.

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Hydrogen jodide is a beller reducing agent than hydrogen bromide

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Assign appropriate reasons for each of the following statements. (i)More metal fluorides are ionic in nature than metal chlorides. (ii) Hydrogen fluoride is a weaker acid than hydrogen chloride in aqueous solution. (iii)In aqueous solution HI is a stronger acid than HCI ? (iv) Addition of Cl_(2) to KI solution gives it a brown colour but excess of Cl_(2) turns it colourless. (v) Perchloric acid is a stronger acid than sulphuric acid.

Explain the following : Hydrogen fluoride is much less volatile than hydrogen chloride.

How would you account for the following ? (i)The lower oxidation state becomes more stable with increasing atomic number in Group 13. (ii)Hydrogen fluoride is much less volatile than hydrogen chloride. (iii)Interhalogen compounds are strong oxidising agents.

Explain the following observations: (i) Phosphorus has a greater tendency for catenation than nitrogen (ii) The negative value of electron gain enthalpy is less for fluorine than for chlorine. (iii) Hydrogen fluoride has a much higher boiling point than hydrogen chloride

Why is H_(2)S a better reducing agent than H_(2)O ?

Fluorine is a better oxidising agent than Cl_2 . It is due to

Although carbon and hydrogen are better reducing agents but they are not used to reduce metallic oxides at high temperatures. Why?

Hydrogen fluoride is a........acid.

Iodide is a better nucleophile than bromide.

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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-I)(Do not change the whole sentence)

Nitrogen is an active non-metal.
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Nitrogen forms pentahalides.
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Boiling point of phosphine is higher than that of ammonia.
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Phosphorus occus in free state.
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Hydrogen sulfide is a monobasic acid in solution.
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The number of valence electrons for each member of halogen family is e...
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Members of the oxygen family are called halogens.
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The ionization enthalpy of selenium is less than that of tellurium. Th...
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Oxygen is the most electronegative element in the periodic table.
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The oxidation state of fluorine can also be + 2. The given statement i...
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Hydride of sulfur is more stable than that of oxygen. The given statem...
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The bond energy of fluorine is more than that of chlorine.
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At room temperature, all the elements of group 17 exist in the gaseous...
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Among halogens, fluorine is least reactive.
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Fluorine can be prepared by heating NaF and MnO2 with conc. sulfuric a...
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Electron gain enthalpies of noble gases are negative.
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No compounds of Kr and Xe are known.
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Hydrogen fluoride is a better reducing agent than hydrogen bromide.
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XeOF4 has .... geometry
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The first noble gas compound was prepared by Ramsay.
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