Chemistry-
General
Easy
Question
If the boiling point of ethanol (molecular weight=46) is 78
, what is the boiling point of diethyl ether?
(molecular weight=74)
The correct answer is:
Related Questions to study
physics-
Given X-ray spectrum is for a Coolidge tube having accelerating potential V If accelerating potential is decreased to V/4, then 
becomes four times with change in anode element If Z is the atomic number of the original element, then the atomic number of new element is (neglect screening effect).
Given X-ray spectrum is for a Coolidge tube having accelerating potential V If accelerating potential is decreased to V/4, then becomes four times with change in anode element If Z is the atomic number of the original element, then the atomic number of new element is (neglect screening effect).
physics-General
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In a photoelectric experiment anode potential is plotted against plate current
In a photoelectric experiment anode potential is plotted against plate current
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Phenol is heated with phthalic anhydride in presence of conc
The product gives pink colour with alkali. The product is
Phenol is heated with phthalic anhydride in presence of conc The product gives pink colour with alkali. The product is
chemistry-General
physics-
The intensity of X-rays from a coolidge tube inis plotted against wavelength l as shwon the figure The minimum wavelength found is 
and the wavelength of the 
line is 
As the accelerating voltage is increased
The intensity of X-rays from a coolidge tube inis plotted against wavelength l as shwon the figure The minimum wavelength found is and the wavelength of the line is As the accelerating voltage is increased
physics-General
chemistry-
The end product of which of the following reaction is isomer of alcohols?
The end product of which of the following reaction is isomer of alcohols?
chemistry-General
chemistry-
Phenol 
In this reaction, the end product 
is
Phenol In this reaction, the end product is
chemistry-General
chemistry-
Decreasing order of boiling points of 
pentanol 
, pentane (
3-pentanol 
and 2,2-dimethyl propanol 
is :
Decreasing order of boiling points of pentanol , pentane ( 3-pentanol and 2,2-dimethyl propanol is :
chemistry-General
chemistry-
Alkyd resins, made of glycerol are used:
Alkyd resins, made of glycerol are used:
chemistry-General
biology
The pyruvic acid formed in glycolysis is oxidised to CO2 and H2O in a cycle called :
The pyruvic acid formed in glycolysis is oxidised to CO2 and H2O in a cycle called :
biologyGeneral
biology
Fermentation is represented by equation
Fermentation is represented by equation
biologyGeneral
physics-
The diagram below shows an instantaneous position of a string as a transverse progressive wave travels along it from left to right Which one of the following correctly shows the direction of the velocity of the points 1, 2 and 
on the string
1 2 3
The diagram below shows an instantaneous position of a string as a transverse progressive wave travels along it from left to right Which one of the following correctly shows the direction of the velocity of the points 1, 2 and on the string
1 2 3
physics-General
biology
In which of the following steps of Krebs cycle CO2 is evolved -
In which of the following steps of Krebs cycle CO2 is evolved -
biologyGeneral
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In above reactions the role of 
in step-1 and step-2 respectively is
In above reactions the role of in step-1 and step-2 respectively is
chemistry-General
chemistry-
The structural formula of a compound, C8H11N(X) that is optically active dissolves in dil. Aq. HCl, and releases N2 with nitrous acid. The compound X is
The structural formula of a compound, C8H11N(X) that is optically active dissolves in dil. Aq. HCl, and releases N2 with nitrous acid. The compound X is
chemistry-General
chemistry-
X, Y, Z in the above reaction are
X, Y, Z in the above reaction are
chemistry-General
