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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

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प्रश्न

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–  
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उत्तर

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

Explanation:

(i) Boron in [B(OH)4] is sp3

(ii) Aluminium in [Al(H20)6]3+ is sp3d2 hybridized

(iii) Boron in B2H6 is sp3

(iv) Carbon in Buckminsterfullerene sp2 is hybridised.

(v) Silicon in \[\ce{SiO^{4-}4}\] is sp3

(vi) Germanium in [GeCl6]2- is sp3d2

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अध्याय 11: The p-block Elements - Multiple Choice Questions (Type - I) [पृष्ठ १४०]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 11
अध्याय 11 The p-block Elements
Multiple Choice Questions (Type - I) | Q 38 | पृष्ठ १४०

संबंधित प्रश्न

Write a balanced equation for Al + NaOH → ?


The exhibition of highest co-ordination number depends on the availability of vacant orbitals in the central atom. Which of the following elements is not likely to act as central atom in \[\ce{MF^{3-}6}\]?


A compound X, of boron reacts with NH3 on heating to give another compound Y which is called inorganic benzene. The compound X can be prepared by treating BF3 with Lithium aluminium hydride. The compounds X and Y are represented by the formulas.


The most commonly used reducing agent is ______.


Cement, the important building material is a mixture of oxides of several elements. Besides calcium, iron and sulphur, oxides of elements of which of the group (s) are present in the mixture?


Explain why the following compounds behave as Lewis acids?

BCl3


When BCl3 is treated with water, it hydrolyses and forms [B[OH]4] only whereas AlCl3 in acidified aqueous solution forms [Al(H2O)6]3+ ion. Explain what is the hybridisation of boron and aluminium in these species?


Explain the following:

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


Explain the following:

Tl (NO3)3 acts as an oxidising agent.


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

\[\ce{A + 2HCl + 5H2O -> 2NaCl + X}\]


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

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


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

Account for the following observations:

The +1 oxidation state of thallium is more stable than its +3 state.


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.

TlCl3, TlCl


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


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.

InCl3, InCl


Boron compounds behave as Lewis acids because of their ______.


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