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  • 1 answers

Tanisha Brar 7 years, 11 months ago

In organic chemistry its not necessary at all but if we r talking about p-d-f block its necessary
  • 1 answers

Adnan Raza 8 years ago

Zeolite or shape selective catalyst are microporous aluminosilicates ex:- ZSM-5
  • 1 answers

Anuj Yadav 7 years, 11 months ago

It is isomerism
  • 1 answers
Enthalpy change means the change occurs in association and dissociation of an element.
  • 2 answers

Aditi Singh 7 years, 11 months ago

Because in HF there is intermolecular hydrogen bonding so it is unable to give H+

Adnan Raza 8 years ago

Cl is more bigger in size and less electronegative
  • 2 answers

Tanisha Brar 7 years, 11 months ago

Rohit what u r talking about are ether not ester ; ester r those compound which have fruity smell and used as flavouring agent
2CH3COOH react in presence of H2SO4 and form ester (CH3CO—O—COCH3).
  • 1 answers

Adnan Raza 8 years ago

The movement of colloidal particles towards opposite charged electrode in an electric field is called electrophoresis
  • 3 answers

Tanisha Brar 7 years, 11 months ago

The machanism of hydration nd dehydrationand; all free radical machanism and also the.machanism of markownikow rule

Ibrana Trannum 8 years ago

The important

Bhargav Singh 8 years ago

SN1 and SN2
  • 1 answers

Muzaina Fatima 8 years ago

CH3CH2COOH+Na(CaO)------->CH3CH3 (Decarboxylation) CH3CH3+Br2--------->CH3CH2Br CH3CH2Br+aq.NaOH------->CH3CH2OH CH3CH2OH+KMnO4-------->CH3COOH.
  • 2 answers

Anuj Yadav 7 years, 11 months ago

Add previous group elements only

Rashi Bari 8 years ago

any trivalent impurity for example aluminium, gallium, boron, etc.
  • 1 answers

Mohita Bamola 8 years ago

Blueprint is a reproduction of a technical drawing, documenting an architecture or an engineering design, using a contact print process on light-sensitive sheets.
  • 4 answers

Aditi Singh 7 years, 11 months ago

If u talk about NSR then also ketones are more reactive because carbon to which oxygen is attached have partial +I've charge which is stabilized by the +I effect of two alkyl groups

Aditi Singh 7 years, 11 months ago

Ketones are more reactive because they are more polar and tendency of a electrophile to attack is more because alkyl groups on both sides have their+I effect on oxygen which increases the electron density on oxygen
In ketone there are two CH3 group which make stable. So Nucleophile is difficult to addition. In aldehyde there are one CH3 group which make less stable than ketone. So Nucleophile is easily attack.
Aldehydes are more reactive than ketone b'coz electrophilicity (rate of accepting electrons ) of aldehyde is high
  • 1 answers

Anuj Yadav 7 years, 11 months ago

Absence of alpha hydrogen
  • 1 answers

Aanchal Gupta 8 years ago

Because its monomer units hexamethylene tetra amine and adipic acid both contain 6 carbons
  • 1 answers
Due to -I effect,-I effect decrease with distance
  • 1 answers

Mohammad Anas 8 years ago

The enthalpy required to add an e- to the valence shell of atom known as e- gain enthalpy..
  • 2 answers

Aditi Singh 8 years ago

Resonance ka concept nhi lagega It is because of the difference in hybridisation of carbon to which the chlorine is attached

Hrythm Munjal 8 years ago

Because lone pair of chlorine in chlorobenzene are in resonance with the ring !!
  • 1 answers

Aditi Singh 8 years ago

Sodium lauryl sulphate Sodium dodecyl benzene sulphonic acid
  • 2 answers

Rachit Goyal 8 years ago

Ethyldiene not possible but Ethylene can CH2=CH2

Rajneesh Verma 8 years ago

Eth 1'2 di alkene

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