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The most commonly used reducing agent is ______. - Chemistry

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प्रश्न

The most commonly used reducing agent is ______.

विकल्प

  • AlCl3

  • PbCl2

  • SnCl4

  • SnCl2

MCQ
रिक्त स्थान भरें
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उत्तर

The most commonly used reducing agent is SnCl2.

Explanation:

+4 oxidation state of Sn is more stable than +2 oxidation state. Therefore, Sn2+ can be easily oxidised to Sn4+ and hence SnCl2 acts a reducing agent.

\[\ce{SnCl2 + 2Cl -> SnCl4 + 2e–}\]

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Group 13 Elements - The Boron Family
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 11: The p-block Elements - Multiple Choice Questions (Type - I) [पृष्ठ १३६]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 11
अध्याय 11 The p-block Elements
Multiple Choice Questions (Type - I) | Q 13 | पृष्ठ १३६

संबंधित प्रश्न

Aluminium trifluoride is insoluble in anhydrous HF but dissolves on the addition of NaF. Aluminium trifluoride precipitates out of the resulting solution when gaseous BF3 is bubbled through. Give reasons.


In some of the reactions thallium resembles aluminium, whereas in others it resembles with group I metals. Support this statement by giving some evidences.


Write a balanced equation for Al + NaOH → ?


The geometry of a complex species can be understood from the knowledge of type of hybridisation of orbitals of central atom. The hybridisation of orbitals of central atom in [Be(OH)4] and the geometry of the complex are respectively.


Ionisation enthalpy (∆iH1kJ mol–1) for the elements of Group 13 follows the order.


Explain why the following compounds behave as Lewis acids?

AlCl3


Explain the following:

Boron does not exist as B3+ ion.


Explain the following:

Electron gain enthalpy of chlorine is more negative as compared to fluorine.


Identify the compounds A, X and Z in the following reactions:

\[\ce{X ->[Δ][370 K] HBO2 ->[Δ][> 370 K] Z}\]


Complete the following chemical equations:

\[\ce{Z + 3 LiAlH4 -> X + 3LiF + 3AlF_3}\]

\[\ce{X + 6H2 -> Y + 6H2}\]

\[\ce{3X + 3O2 ->[Δ] B2O3 + 3H2O}\]


Match the species given in Column I with the properties mentioned in Column II.

Column I Column II
(i) \[\ce{BF^{-}4}\] (a) Oxidation state of central atom is +4
(ii) AICI3 (b) Strong oxidising agent
(iii) SnO (c) Lewis acid
(iv) PbO2 (d) Can be further oxidised
  (e) Tetrahedral shape

Match the species given in Column I with properties given in Column II.

Column I Column II
(i) Diborane (a) Used as a flux for soldering metals
(ii) Galluim (b) Crystalline form of silica
(iii) Borax (c) Banana bonds
(iv) Aluminosilicate (d) Low melting, high boiling, useful for measuring high temperatures
(v) Quartz (e) Used as catalyst in petrochemical industries

Match the species given in Column I with the hybridisation given in Column II.

Column I Column II
(i) Boron in [B(OH)4] (a) sp2
(ii) Aluminium in [Al(H2O)6]3+ (b) sp3
(iii) Boron in B2H6 (c) sp3d2
(iv) Carbon in Buckminsterfullerene  
(v) Silicon in \[\ce{SiO^{4-}4}\]  
(vi) Germanium in [GeCl6]2–  

Account for the following observations:

PbO2 is a stronger oxidising agent than SnO2 


Three pairs of compounds are given below. Identify that compound in each of the pairs which has group 13 element in more stable oxidation state. Give reason for your choice. State the nature of bonding also.

AlCl3 , AlCl


BCl3 exists as monomer whereas AlCl3 is dimerised through halogen bridging. Give reason. Explain the structure of the dimer of AlCl3 also.


Boron fluoride exists as BF3 but boron hydride doesn’t exist as BH3. Give reason. In which form does it exist? Explain its structure.


Boron compounds behave as Lewis acids because of their ______.


Which one of the following is the correct statement?


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