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Hybridization of nitrogen atom in pyridi...

Hybridization of nitrogen atom in pyridine is

A

`sp^(3)`

B

`sp^(2)`

C

`sp`

D

`sp^(3)d`

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The correct Answer is:
B
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The lone pair of amines makes them basic. They react with acids to form acid-base salts. Amines are more basic than alcohols, ethers and water. When an amine is dissolved in water, an equilibrium is established , where water acts as an acid and transfer a proton to the amine. The basic strength of an amine can be measured by basicity constant K_(b) . Arylamines are less basic than alkylamines because the lone pair of nitrogen is delocalised with the aromatic ring and are less available for donation. Substituted arylamines can be either more basic or less basic than aniline , depending on the substituted . ERG substituents, such as -CH_(3), -NH_(2) and -OCH_(3) increases the basicity and EWG substituents , such as -Cl, -NO_(2) and -CN decreases basicity. While sp^(2)- hybridized nitrogen atom in pyridine is less basic then the sp^(3) -hybridized nitrogen in an alkylamine. The most basic carbanion is :

The lone pair of amines makes them basic. They react with acids to form acid-base salts. Amines are more basic than alcohols, ethers and water. When an amine is dissolved in water, an equilibrium is established , where water acts as an acid and transfer a proton to the amine. The basic strength of an amine can be measured by basicity constant K_(b) . Arylamines are less basic than alkylamines because the lone pair of nitrogen is delocalised with the aromatic ring and are less available for donation. Substituted arylamines can be either more basic or less basic than aniline , depending on the substituted . ERG substituents, such as -CH_(3), -NH_(2) and -OCH_(3) increases the basicity and EWG substituents , such as -Cl, -NO_(2) and -CN decreases basicity. While sp^(2)- hybridized nitrogen atom in pyridine is less basic then the sp^(3) -hybridized nitrogen in an alkylamine. pK_(b) order of the following compound is : (I) NH_(2)OH" "(II) NH_(2)NH_(2)" "(III) NH_(3)" "(IV)H_(2)O

The hybridization states of the nitrogen in pyridine, piperidine and pyrrole are respectively

Correct energy profile for amine inversion and hybridization of nitrogen in transition state is:

What is the hybridization of nitrogen in the azide ion ?

What is the hybridization of oxygen atom in ethers?

What is the state of hybridization of carbon and nitrogen atoms in alkyl amines?

In the given compound, hybridization of the Carbon atom with positive and negative charge are

What is the state of hybridization of nitrogen in NO_3^(-) ion ?

The hybridization of carbon atoms in fullerene molecule is :

AAKASH INSTITUTE ENGLISH-ORGANIC CHEMISTRY: SOME BASIC PRINCIPLE AND TECHNIQUES-ASSIGNMENT SECTION-A COMPETITION LEVEL QUESTIONS
  1. Which one of the following does not have sp^(2) hybridised carbon ?

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  2. Which of the following has a bond formed by overlap of sp^(3)-sp, hybr...

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  3. Hybridization of nitrogen atom in pyridine is

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  4. The compound in which underlined carbon uses only its sp^(3)-hybrid or...

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  5. Which of the following series contains only electrophiles?

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  6. The IUPAC name of CH(3)-overset(O)overset(||)(C)-CH(2)-overset(OH)ov...

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  7. The IUPAC name of tertiary butyl chloride is

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  8. Most stable carbanion among the following is

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  9. In which of the following, homolytic bond fission takes place :

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  11. Aldehyde and ketones are

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  12. Diethyl ether and methyl n propyl ether are

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  13. +I effect is shown by:

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  14. Electromeric effect:

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  15. The reaction intermediate produce by homolytic cleavage of bond is cal...

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  16. Ammonia is iso-structural with:

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  17. A mixture of camphor and benzoic acid can be separated by

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  18. In Kjeldahl's method, nitrogen present is estimated as

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  19. In sodium fusion test of organic compounds, the nitrogen of an organic...

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  20. In Dumas' method, the gas (or vapor) which is collected in the nitrome...

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