EASY
Earn 100

Acidified potassium dichromate solution can be used to detect alcohol consumption.

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Important Questions on Carbon and its compounds

MEDIUM
A compound X (having vinegar like smell) when treated with ethanol in the presence of the acid, Z, gives a compound Y which has a fruity smell.
The reaction is
C2H5OH+XZY+H2O
Write the structural formula of X.
HARD
How will you convert ethanol to ethene? Write chemical equation.
MEDIUM
When ethanol reacts with sodium metal, it forms two products. These products are :
MEDIUM

What is meant by vinegar and gasohol? What are their uses?

MEDIUM
Give a chemical test to distinguish between ethanol and ethanoic acid
MEDIUM
One of the following substances is not added to make denatured alcohol. This is :
HARD
Write a chemical test to distinguish between ethanol and ethanoic acid.
EASY
Draw the structure for the following compound:
Ethanoic acid
HARD
What will you observe when you drop a small piece of sodium into ethanol? Name the gas evolved. How will you test this gas? Write the chemical equation of the reaction taking place.
EASY
How would you distinguish experimentally between an alcohol and a carboxylic acid on the basis of a chemical property?
HARD
A neutral organic compound A of molecular formula C2H6O on heating with excess of conc. H2SO4 gives compound B of molecular formula C2H4. Compound B on reduction gives compound C of molecular formula C2H6.
(a) Name A, B and C.
(b) Write chemical equation for the conversion of A to B.
(c) What is the role of conc. H2SO4 in the above equation.
HARD
The substance which can produce brisk effervescence with baking soda solution is :
MEDIUM
Write the name and molecular formula of an organic compound having its name suffixed with '-ol' and having two carbon atoms in the molecule. With the help of a balanced chemical equation indicate what happens when it is heated with excess of conc. H2SO4.
MEDIUM
When ethanol is heated with concentrated sulphuric acid at 170oC, it gets converted into ethene. In this reaction, concentrated sulphuric acid acts as:
HARD
Acetic acid was added to a solid 'X' kept in a test tube. A colourless and odourless gas was evolved. The gas turned lime water milky when passed through it. Predict the nature of the solid.
HARD
Which of the following can damage optic nerve leading to blindness, if taken internally ?
EASY
Write the molecular formula of ethanol.
MEDIUM
Give the common name and IUPAC name of C2H5OH.