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What is the Common Name of Methanol? - Science

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प्रश्न

What is the common name of methanol?

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उत्तर

The common name of methanol is methyl alcohol.

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पाठ 4: Carbon And Its Compounds - Exercise 2 [पृष्ठ २४०]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 4 Carbon And Its Compounds
Exercise 2 | Q 21 | पृष्ठ २४०

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Complete the following chemical equations: C2H5OH+O2


Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH


Why is the conversion of ethanol into ethanoic acid an oxidation reaction?


The organic acid present in vinegar is ______.


Esters are sweet-smelling substances and are used in making perfumes. Describe an activity for the preparation of an ester with the help of a well labelled diagram. Write an equation for the chemical reaction involved in the formation of the ester. Also write the names of all the substances involved in the process of esterification.


Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2


An organic acid X is a liquid, which often freezes during winter time in cold countries, having the molecular formula C2H4O2. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound Y with a sweet  smell is formed.
(a) Identify X and Y. Also write their formulae showing the functional group present in them.
(b) Write a chemical equation for the reaction involved.


The next higher homologue of ethanoic acid is ______.


Which of the following observations is true about dilute solution of acetic acid?

(A) It smells like vinegar and turns red litmus blue

(B) It smells like onion and turns blue litmus red

(C) It smells like orange and turns red litmus blue

(D) It smells like vinegar and turns blue litmus red


Acetic acid smells like: 

(1) a banana 

(2) vinegar 

(3) an orange

(4) a lemon 


Write three physical properties of acetic acid.


Write a balanced chemical equation for the following:

A mixture of sodalime and sodium acetate is heated.


Explain the following reaction with an example.

Esterification


Observe the figure and write the answers to the following questions.

  1. Write the name of the reaction shown in the following figure.
  2. Write the above chemical reaction in the form of a balanced equation.
  3. Write the name of the product produced in the above reaction, write a use.
  4. Write the name of the catalyst used in the above reaction.

Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.


Shristi heated Ethanol with a compound A in presence of a few drops of concentrated sulphuric acid and observed a sweet smelling compound B is formed. When B is treated with sodium hydroxide it gives back Ethanol and a compound C.

  1. Identify A and C
  2. Give one use each of compounds A and B.
  3. Write the chemical reactions involved and name the reactions.

Name the oxidising agent used in the conversion of ethanol to ethanoic acid.


Give the balanced chemical equation of the following reaction:

Combustion of ethanol.


Give the balanced chemical equation of the following reaction: 

Neutralization of NaOH with ethanoic acid.


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