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The linear shape of CO2 is due to: (i) sp3 hybridisation of carbon. (ii) sp hybridisation of carbon. (iii) pπ – pπ bonding between carbon and oxygen. (iv) sp2 hybridisation of carbon.

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प्रश्न

The linear shape of CO2 is due to:

(i) sp3 hybridisation of carbon.

(ii) sp hybridisation of carbon.

(iii) pπ – pπ bonding between carbon and oxygen.

(iv) sp2 hybridisation of carbon.

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उत्तर

(ii) sp hybridisation of carbon.

(iii) pπ – pπ bonding between carbon and oxygen.

Explanation:

The linear shape of CO2 is due to pπ-pπ bonding between carbon and oxygen and sp hybridisation of carbon.

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पाठ 11: The p-block Elements - Multiple Choice Questions (Type - I) [पृष्ठ १३७]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 11
पाठ 11 The p-block Elements
Multiple Choice Questions (Type - I) | Q 17 | पृष्ठ १३७

संबंधित प्रश्‍न

Explain why is there a phenomenal decrease in ionisation enthalpy from carbon to silicon?


Write suitable chemical equations to show the nature of the following oxide.

Tl2O3


Rationalise the given statement and give a chemical reaction:

Lead (IV) chloride is highly unstable towards heat.


Rationalise the given statement and give a chemical reaction:

Lead is known not to form an iodide, PbI4.


Classify the following oxide as neutral, acidic, basic or amphoteric:

CO


Classify the following oxide as neutral, acidic, basic or amphoteric:

SiO2


Classify the following oxide as neutral, acidic, basic or amphoteric:

Al2O3


Classify the following oxide as neutral, acidic, basic or amphoteric:

PbO2


Which of the following is a Lewis acid?


The reason for small radius of Ga compared to Al is:

(i) poor screening effect of d and f orbitals.

(ii) increase in nuclear charge.

(iii) presence of higher orbitals.

(iv) higher atomic number.


Explain the following:

Silicon forms \[\ce{SiF^{2-}6}\] ion whereas corresponding fluoro compound of carbon is not known.


Explain the following:

CO2 is a gas whereas SiO2 is a solid.


Carbon and silicon both belong to the group 14, but inspite of the stoichiometric similarity, the dioxides, (i.e., carbon dioxide and silicon dioxide), differ in their structures. Comment.


Explain the following:

BF3 does not hydrolyse.


Explain the following:

Why does the element silicon, not form a graphite like structure whereas carbon does.


A tetravalent element forms monoxide and dioxide with oxygen. When air is passed over heated element (1273 K), producer gas is obtained. Monoxide of the element is a powerful reducing agent and reduces ferric oxide to iron. Identify the element and write formulas of its monoxide and dioxide. Write chemical equations for the formation of producer gas and reduction of ferric oxide with the monoxide.


The principal ore of lead is ______. 


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