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3 months ago

Chemistry Class 12th

The IUPAC name of the following compound is

 
0 Follower 6 Views

A
alok kumar singh

Contributor-Level 10

2-chloro-4-methylanisole

New answer posted

3 months ago

Chemistry Chemistry Hydrocarbon

Least stable carbocation among the following is

 
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A
alok kumar singh

Contributor-Level 10

Electron withdrawing group decreases the stability of carbocation.

Thrrefore, Correct order of stability of carbocation is

 

New answer posted

3 months ago

Chemistry Chemistry Chemical Bonding and Molecular Structure

Which of the following species cannot behave as electrophile?
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

NH+4does not have vacant orbitals, therefore it cannot behave as electrophile.

New answer posted

3 months ago

Chemistry Class 12th

0.16 g of an organic compound gave 0.094 g of AgBr by Carius method. The percentage of Br in the compound is (Atomic mass of Ag = 108 u, Br = 80 u)
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

Percentage Br = 80*0.094/188*0.16*100=25%

New answer posted

3 months ago

Chemistry Chemistry Classification of Elements and Periodicity in Properties

The correct order of atomic radii in group 13 element is
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

Correct order of atomic radii is Tl > In > Al > Ga > B

New answer posted

3 months ago

Chemistry Chemistry Classification of Elements and Periodicity in Properties

Which one of the following ions has the largest size in aqueous solution?
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A
alok kumar singh

Contributor-Level 10

Li+ has the largest size in aqueous solution due to its high polarising power.

New answer posted

3 months ago

Chemistry Class 11th

The molarity of 20 volume H2O2 is nearly
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A
alok kumar singh

Contributor-Level 10

Volume strength of H2O2 = Molarity * 11.2

 

New answer posted

3 months ago

Chemistry Chemistry Hydrocarbon

The compound which will not show geometrical isomerism is

 
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A
alok kumar singh

Contributor-Level 10

In (Ph)2C=CHCH3, no spatial variation is possible

It will not show geometrical isomerism.

 

New answer posted

3 months ago

Chemistry Class 12th

Major product of the given reaction is

 
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A
alok kumar singh

Contributor-Level 10

Alkene on reaction with cold, dilute aqueous solution of KMnO4 produces vicinal glycols.

New answer posted

3 months ago

Chemistry Class 11th

Which among the following is not an aromatic species?

 
0 Follower 13 Views

A
alok kumar singh

Contributor-Level 10

It does not follow Huckel's rule hence it is not aromatic.

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