Chemistry-
General
Easy
Question
On heating glycerol with conc.
a compound is obtained which has bad odour. The compound is:
- Acrolein
- Formic acid
- Allyl alcohol
- Methyl isocyanide
The correct answer is: Acrolein
Related Questions to study
chemistry-
On conversion into the Grignard reagent followed by treatment with absolute ethanol, how many isomeric alkyl chlorides would yield 2-methylbutane?
Thus,
On conversion into the Grignard reagent followed by treatment with absolute ethanol, how many isomeric alkyl chlorides would yield 2-methylbutane?
chemistry-General
Thus,
chemistry-
What is formed when glycerol reacts with excess of HI?
When glycerol reacts with HI
iodide is obtained
iodide is obtainedWhat is formed when glycerol reacts with excess of HI?
chemistry-General
When glycerol reacts with HI iodide is obtained
iodide is obtainedchemistry-
General formula for alcohols is:
General formula for alcohols is 
Primary alcohols have 
Secondary Alcohols have 
and tertiary alcohols have 
Primary alcohols have Secondary Alcohols have and tertiary alcohols have General formula for alcohols is:
chemistry-General
General formula for alcohols is Primary alcohols have Secondary Alcohols have and tertiary alcohols have
Primary alcohols have Secondary Alcohols have and tertiary alcohols have 
chemistry-
Which of the following compounds is weakest acid?
Electron withdrawing groups (like 
increase the acidity of phenols by stabilising corresponding phenoxide ion. The effect of 
group will beminimum at m-position due to lack of increased delocalisation of electrons in it. Hence, m-nitrophenol is the weakest acid among these.
increase the acidity of phenols by stabilising corresponding phenoxide ion. The effect of group will beminimum at m-position due to lack of increased delocalisation of electrons in it. Hence, m-nitrophenol is the weakest acid among these.Which of the following compounds is weakest acid?
chemistry-General
Electron withdrawing groups (like increase the acidity of phenols by stabilising corresponding phenoxide ion. The effect of group will beminimum at m-position due to lack of increased delocalisation of electrons in it. Hence, m-nitrophenol is the weakest acid among these.
increase the acidity of phenols by stabilising corresponding phenoxide ion. The effect of group will beminimum at m-position due to lack of increased delocalisation of electrons in it. Hence, m-nitrophenol is the weakest acid among these.physics-
Assertion :We cannot produce a real image by plane or convex mirrors under any circumstances
Reason : The focal length of a convex mirror is always taken as positive
Assertion :We cannot produce a real image by plane or convex mirrors under any circumstances
Reason : The focal length of a convex mirror is always taken as positive
physics-General
chemistry-
An organic compound reacts with 
to give. The compound with sodium metal gives 
An organic compound reacts with to give. The compound with sodium metal gives
chemistry-General
maths-
If f : R → R is continuous and differentiable function such that 
f(t) dt + f¢¢¢ (3) 
t3
dt – f ¢ (1) 
t2 dt + f ¢¢ (2) 
t. dt, then the value of f ¢ (4) is :
If f : R → R is continuous and differentiable function such that f(t) dt + f¢¢¢ (3) t3
dt – f ¢ (1) t2 dt + f ¢¢ (2) t. dt, then the value of f ¢ (4) is :
maths-General
physics-
Assertion : The refractive index of diamond is 
and that of liquid is 
If the light travels from diamond to the liquid, it will totally reflected when the angle of incidence is 30o
Reason :
where 
is the refractive index of diamond with respect to liquid
Assertion : The refractive index of diamond is and that of liquid is
If the light travels from diamond to the liquid, it will totally reflected when the angle of incidence is 30o
Reason : where is the refractive index of diamond with respect to liquid
physics-General
maths-
If f : [0, p] → R is continuous and 
f(x) sin x dx = f(x) cos x dx = 0, then the number of roots of f(x) in (0, p) is
If f : [0, p] → R is continuous and f(x) sin x dx = f(x) cos x dx = 0, then the number of roots of f(x) in (0, p) is
maths-General
physics-
Assertion : Different colours travel with different speed in vacuum
Reason : Wavelength of light depends on refractive index of medium
Assertion : Different colours travel with different speed in vacuum
Reason : Wavelength of light depends on refractive index of medium
physics-General
chemistry-
The following substance can be used as a raw material for obtaining alcohol:
The following substance can be used as a raw material for obtaining alcohol:
chemistry-General
chemistry-
Etherates are
Etherates are complexes of ethers with Lewis acid 
Etherates are
chemistry-General
Etherates are complexes of ethers with Lewis acid
chemistry-
Weak base reacts with strong acid.
chemistry-General
Weak base reacts with strong acid.
chemistry-
Lucas reagent produces cloudiness immediately with:
Reactivity order of towards Lucas reagent is, Tertiary>Secondary>Primary alcohol.
Lucas reagent produces cloudiness immediately with:
chemistry-General
Reactivity order of towards Lucas reagent is, Tertiary>Secondary>Primary alcohol.
chemistry-
The product is
The pinacol-pinacolone rearrangement involves dehydration of diols through the formation of carbocation intermediate which rearranges to more stable compound. 
The product is
chemistry-General
The pinacol-pinacolone rearrangement involves dehydration of diols through the formation of carbocation intermediate which rearranges to more stable compound.
