Chemistry-
General
Easy
Question
Identify the alkyne in the following sequence of reactions:
The correct answer is:
Related Questions to study
Chemistry-
Trans-2-butene + Br2 gives:
Trans-2-butene + Br2 gives:
Chemistry-General
Chemistry-
(A) Addition of HBr to 1-butene gives two optical isomers.
(R) The product contains one asymmetric carbon.
(A) Addition of HBr to 1-butene gives two optical isomers.
(R) The product contains one asymmetric carbon.
Chemistry-General
Chemistry-
The synthesis of 3-octyne is achieved by adding a bromoalkene into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respectively are :
The synthesis of 3-octyne is achieved by adding a bromoalkene into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respectively are :
Chemistry-General
Chemistry-
Identify the product in the reaction
Identify the product in the reaction
Chemistry-General
Chemistry-
The major product formed when 2-bromobutane is treated with alcoholic KOH is :
The major product formed when 2-bromobutane is treated with alcoholic KOH is :
Chemistry-General
Chemistry-
Name the reagent used to bring about the following transformation: but-2-ene to ethanal:
Name the reagent used to bring about the following transformation: but-2-ene to ethanal:
Chemistry-General
Chemistry-
In the following reaction, the product 'R' is :
In the following reaction, the product 'R' is :
Chemistry-General
Chemistry-
Among the given· compounds, one which can be distinguished by AgNO3 is:
Among the given· compounds, one which can be distinguished by AgNO3 is:
Chemistry-General
Chemistry-
The alkene that will give the same product with HBr in the absence as well as in the presence of peroxide is':
The alkene that will give the same product with HBr in the absence as well as in the presence of peroxide is':
Chemistry-General
Chemistry-
The 'decreasing order of acidic character among
I) ethane
II) ethene
III) ethyne
IV) propyne
Is:
The 'decreasing order of acidic character among
I) ethane
II) ethene
III) ethyne
IV) propyne
Is:
Chemistry-General
Chemistry-
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44u. The alkene is
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44u. The alkene is
Chemistry-General
Chemistry-
Identify the product (Y) in the following reaction sequence:
Identify the product (Y) in the following reaction sequence:
Chemistry-General
Maths-
The radius of the circle passing through the centre or the in-circle of 
and through the end points of BC is given by
The radius of the circle passing through the centre or the in-circle of and through the end points of BC is given by
Maths-General
Chemistry-
CH3COOH is reacted with 
in presence of Hg2+ , the product is:
CH3COOH is reacted with in presence of Hg2+ , the product is:
Chemistry-General
Maths-
If 
are in A.P., where a, b, c are sides of the triangle ABC, then 
are in
If are in A.P., where a, b, c are sides of the triangle ABC, then are in
Maths-General
