Advertisements
Advertisements
Question
Choose the correct alternative and rewrite the following:
To observe the hydro and clearly, Raju should see it first under the low power lens and then under the high power lens in order to see _____________
Options
less area
wide area
more buds
all of the above
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
The compound formed when ethene reacts with Hydrogen is ________. (CH4, C2H6, C3H8)
Give a balanced equation for the preparation of ethanol from monochloroethane and aq. sodium hydroxide.
What is meant by a functional group? Explain with an example.
Name the hydrocarbon formed when ethanol is heated with conc. H2SO4 at 170°C? What is this reaction known as?
Complete the following equation:
\[\ce{CH3CH2OH ->[Conc{.} H2SO4][170^\circ C]}\]
State two uses of ethanol (other than as a fuel).
What is meant by denatured alcohol? What is the need to denature alcohol?
How is the methylated spirit obtained?
Vinegar is prepared by the bacterial oxidation of ______.
An organic compound 'P' is a constituent of wine. 'P' on reacting with acidified K2Cr2O7 forms another compound 'Q'. When a piece of sodium is added to 'Q' a gas 'R' evolves which burns with a pop sound. Identify P, Q and R and write the chemical equations of the reactions involved.
Write the balanced equations to convert:
(a) Ethanol to ethene
(b) Ethene to ethanol
Ethanol can be converted to ethene which can be changed to ethane.
Choose the correct word or phrase from the options given below to complete the following sentences:
Converting ethanol to ethene requires the use of_________(Concentrated hydrochloric acid, concentrated nitric cid, concentrated sulphuric acid).
Sodium is stored under kerosene. Give reason.
Ethanol is soluble in water in all proportions.
C2H5OH + 3O2 → 2CO2 + 3H2O is a ______
______ react with dil. HNO3 to evolve hydrogen gas.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
