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Class 11th

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a month ago

Class 11th Organic Chemistry - Some Basic Principles and Tech

Alkyl iodides can be best prepared by :-
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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution 

 

New answer posted

a month ago

Class 11th Organic Chemistry - Some Basic Principles and Tech

How many compounds are formed upon the oxidative ozonolysis of the following compound :-

 
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alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

a month ago

Class 11th Organic Chemistry - Some Basic Principles and Tech

Tautomerism is not exhibited by :-

 
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A
alok kumar singh

Contributor-Level 10

The condition for showing tautomerism by the compound is the presence of alpha hydrogen in the compound.

New answer posted

a month ago

Class 11th Chemistry

Find the strongest acid among the following compounds.

 
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A
alok kumar singh

Contributor-Level 10

–I effect ∝ Acidic strength

+I effect ∝ Basic strength

*  Most stable anion due to maximum –I effect.

*  Most acidic

New answer posted

a month ago

Class 11th Organic Chemistry - Some Basic Principles and Tech

Which of the following is homocyclic compound?
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alok kumar singh

Contributor-Level 10

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New answer posted

a month ago

Class 11th Chemistry Organic Chemistry

Which of the following compound will not undergo Friedel craft's Reaction :-
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alok kumar singh

Contributor-Level 10

Due to deactivating group.

New answer posted

a month ago

Class 11th Chemistry Chemical Bonding and Molecular Structure

How many pπ–pπ and pπ–dπ bond present in SO3(s):
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A
alok kumar singh

Contributor-Level 10

SO3 (s) exist as cyclic trimer ⇒ S3O9

→ sp3, so all bond π–bonds would be of pπ–dπ so pπ–pπ bond = 0

pπ–dπ bonds = 6

New answer posted

a month ago

Class 11th Chemistry

Which of the following have one lone pair on the central atom ?

(I)  NH3

(II)  SF4

(III)   XeOF4

(IV)   XeF6
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alok kumar singh

Contributor-Level 10

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New answer posted

a month ago

Class 11th Physics

The radii of circular orbits of two satellites A and B of the earth, are 4R and R, respectively. If speed of satellite A is 2V, then the speed of satellite B will be
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alok kumar singh

Contributor-Level 10

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New answer posted

a month ago

Class 11th Structure of Atom

A body of mass M is rotating in a vertical circle of radius r with critical speed. The difference in its kinetic energy at the top and the bottom is
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alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

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