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Hydrocarbons

Question
CBSEENCH11007695
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Although acetylene is acidic in nature, yet it does not react with NaOH or KOH. Explain. 

Solution
Acetylene has an acidic nature. It means it has an acidic tendency or it can loose proton if provided a suitable reagent. It is not a strong acid to react with a weak base like Na2CO3. Even NaOH or KOH also does not react. Only Bases like NaNH2 (sodamide) or Tollens reagent and few other are able to replace H+ of acetylene by the metal.
stack HC space identical to space CH with left parenthesis Acetylene right parenthesis below space plus space NaNH subscript 2 space space space rightwards arrow space space space stack straight H space minus space straight C space identical to space straight C space minus space Na with left parenthesis Sodium space acetylide right parenthesis below space plus space NH subscript 3

Some More Questions From Hydrocarbons Chapter

During the pyrolysis of alkanes C-C bonds break in preference to C-H bond. Why?

Define cracking. 

What is the function of iodic acid in the iodination of alkanes? Can we use any other substance in its place?

What is alternation effect?

Arrange the following compounds in order of their increasing boiling points:
n-Pentane, n-Hexane, Ethane, 2-2-Dimethylpentane, 2-Methylpentane.

Why is light or heat necessary to initiate chlorination reaction of alkanes?

What are conformation or rotational isomers?

Out of eclipsed and staggered conformation of ethane, which is more stable?

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