21 - Organic Chemistry Questions Answers

HOW TO COMPARE FOR HEAT OF COMBUSTION ? WHAT MOST BE STRATERGY TO DECIDE WHICH COMPOUD HAVE MORE EAT OF COMBUTION

Asked By: SIDDHANT
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Joshi sir comment

For this it is necessary to remember all the bond energies

can anyone explain to me how to write the structures of some organic compounds like but-2-ol?

Asked By: ANURAG
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Joshi sir comment

name is not correct

IUPAC name has four part

Extra Group................Main Chain............Bond Name..............Main Group

so name may be

*****..........................but........................an...................................2ol

****** means no extra group is present 

Main group is alcohol and its name is ol, 2 for second place in chain

"but" for 4 carbon and "an" for all single bond

so structure will be     CH3CH(OH)CH2CH3

What do you know about boron?And boron nomenclature?

Asked By: MUHAMMAD KHAN
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Joshi sir comment

Boron is  a chemical element produced by cosmic ray spallation. Chemically uncombined Boron which is classified as a metalloid is not found naturally on earth. Several allotropes of Boron exist. Natural Boron is composed of two stable isotopes one of which is Boron 10, used as a neutron capturing agent.

 

How does Fridal craft reaxn can be given by ESTER                        

                              CH3COOCH2CH3

 

PLEASE HELP ME

PLEASE 

Asked By: AMAN
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Joshi sir comment

CH3CO--OC2H5

This is the form of ester. In the presence of anhydrous AlCl3, C6H6 will give reaction with ester 

JEE 2009 (MATRIX MATCH QUES.)

How  reaction takes place between                 

                                  CH3CH2CH2CH2NH2 and CHCl3/alco.KOH     giving foul smell.

PLEASE GUIDE ME.

PLEASE

Asked By: AMAN
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Joshi sir comment

This is well known Reimer Tiemann reaction

Product will be 

 CH3CH2CH2CH2NC

what is issomers

Asked By: AMIR KHAN
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Joshi sir comment

isomer means compound with same molecular formula but different structural formula.

explain the mechanism when alkenes are treated with cold KMnO4 ?

Asked By: MOHIT SAINI
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Joshi sir comment

Iodoform test is used for-

a) starch

b) maltose

c) glucose

d) sucrose

MANIPAL 2012

Asked By: SARIKA
is this question helpfull: 17 0 read solutions ( 2 ) | submit your answer
Joshi sir comment

starch turns iodine blue 

sir, can please write atopic on amins for  reactions?

 

Asked By: SHUBHAM VED
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Joshi sir comment

Yes 

very soon

What is basicity of oxalic acid ?

Asked By: ASHISH RANA
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Joshi sir comment

oxalic acid is COOH-COOH so basicity will be 2

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