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What is the Common Name of Methanal? - Science

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प्रश्न

What is the common name of methanal?

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उत्तर

Formaldehyde is the common name for methanal.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Carbon And Its Compounds - Exercise 2 [पृष्ठ २३९]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 4 Carbon And Its Compounds
Exercise 2 | Q 5 | पृष्ठ २३९

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Give a balanced chemical equation for Preparation of ethane from Sodium propionate


Write a balanced chemical equations for Heating of Ethanol at 170°C in the presence of conc. Sulphuric acid


Three organic compounds A, B and C have the following molecular formulae: C4H8O2

Which compound contains an alcohol group? Write its name and structural formula.


Why is ethanol used as a fuel?


State two used of ethanol (other than as a fuel).


What happens when ethanol is oxidised with alkaline potassium permanganate (or acidified potassium dichromate)? Write the equation of the reaction involved.


Which of the following can damage optic nerve leading to blindness, if taken internally?
(a) CH3COOH
(b) C2H5OH
(c) NaHCO3
(d) CH3OH


Name the product formed when ethanol reacts with acetic acid. Give an equation. What is the name given to this type of reaction?


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.

 

How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid


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).


Name a solid which can be used, instead of conc H2SO4 to prepare ethylene by dehydration of ethanol.


The product formed when ethene gas reacts with water in the presence of sulphuric acid is ______.


From the given list, name the compound with –COOH as part of its structure.


The organic compound obtained as the end product of the fermentation of a sugar solution is ______.


Find the odd one out and explain:


State how the following conversion can be carried out:

Ethene to ethyl alcohol


How is ethanoic acid prepared from ethanol? Give the chemical equation.


Look at below figure and answer the following questions.

  1.  What change would you observe in the calcium hydroxide solution taken in tube B?
  2. Write the reaction involved in test tubes A and B respectively.
  3. If ethanol is given instead of ethanoic acid, would you expect the same change?
  4. How can a solution of lime water be prepared in the laboratory?

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