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New answer posted

9 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 2 Views

A
alok kumar singh

Contributor-Level 10

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

New answer posted

9 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

9 months ago

Chemistry Chemistry Classification of Elements and Periodicity in Properties

Which one of the following ions has the largest size in aqueous solution?
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

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

New answer posted

9 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

9 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

9 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

9 months ago

Chemistry Class 11th

Which among the following is not an aromatic species?

 
0 Follower 52 Views

A
alok kumar singh

Contributor-Level 10

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

New answer posted

9 months ago

Chemistry Class 12th

Kindly consider the following

Monomer of orlon is

 
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A
alok kumar singh

Contributor-Level 10

Monomer of orlon is acrylonitrile

 

New answer posted

9 months ago

Chemistry Class 11th

The maximum prescribed concentration of manganese in drinking water is
0 Follower 2 Views

A
alok kumar singh

Contributor-Level 10

The maximum prescribed concentration of manganese in drinking water is 0.05 ppm

New answer posted

9 months ago

Chemistry Class 12th

The amine which is most basic in aqueous solution is
0 Follower 1 View

A
alok kumar singh

Contributor-Level 10

Correct order of basic strength in aqueous medium is

(CH3)2NH > CH3NH2 > (CH3)3N > NH3

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