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Identify the Term Or Substance Based on the Descriptions Given Below: Ice like Crystals Formed on Cooling an Organic Acid Sufficiently. - Chemistry

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प्रश्न

Identify the term or substance based on the descriptions given below:

Ice like crystals formed on cooling an organic acid sufficiently.

एक शब्द/वाक्यांश उत्तर
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उत्तर

Glacial acetic acid

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अध्याय 11.6: Carboxylic Acid - Exercise 10 [पृष्ठ २९९]

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फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 11.6 Carboxylic Acid
Exercise 10 | Q 9.1 | पृष्ठ २९९

संबंधित प्रश्न

The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4


Fill in the blanks from the choices given within brackets:

The basicity of acetic acid is-------- (3, 1, 4).


What do you observe when acetic acid is added to sodium bicarbonate?


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 


State the observation

When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.


A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.

  1. Identify X, Y and Z
  2. Write the structural formula of X and Y.
  3. What type of compound is P?
  4. Name the above reaction.
  5. If compounds X and Y both have 2 carbon atoms. Write the reaction.

When sodium hydrogen carbonate is added to ethanoic acid, a gas evolves. Consider the following statements about the gas evolved.

  1. It turns lime water milky.
  2. It is evolved with brisk effervescence.
  3. It has a smell of burning sulfur.
  4. It is also a by-product of respiration.

Write the molecular formula of the given compound.

Ethanoic acid


Raina while doing certain reactions observed that heating of substance ‘X’ with a vinegar-like smell with a substance ‘Y’ (which is used as an industrial solvent.) in the presence of conc. Sulphuric acid in a water bath gives a sweet-smelling liquid ‘Z’ having molecular formula C4H8O2. When heated with caustic soda (NaOH), ‘Z’ gives back the sodium salt and the compound ‘Y’.

Identify ‘X’, ‘Y’, and ‘Z’. Illustrate the changes with the help of suitable chemical equations.


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