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प्रश्न
Draw the structure of butanoic acid.
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उत्तर
Structure of butanoic acid (C3H7COOH) is as follows:
\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{O}\phantom{.}\phantom{.}\\
|\phantom{....}|\phantom{....}|\phantom{....}||\phantom{..}\\
\ce{H - C - C - C - C - OH}\\
|\phantom{....}|\phantom{....}|\phantom{.....}\phantom{..}\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{.....}\phantom{..}\end{array}\]
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संबंधित प्रश्न
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
While studying saponification reaction, a student measures the temperature of the reaction mixture and also finds its nature using blue/red litmus paper. On the basis of his observations the correct conclusion would be
(A) the reaction is exothermic and the reaction mixture is acidic.
(B) the reaction is endothermic and the reaction mixture is acidic.
(C) the reaction is endothermic and the reaction mixture is basic.
(D) the reaction is exothermic and the reaction mixture is basic.
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Fill in the blanks from the choices given within brackets:
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Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
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.
What do you notice when acetic acid reacts with alkalies?
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
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(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
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(1) a banana
(2) vinegar
(3) an orange
(4) a lemon
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Name the following:
A toxic alcohol
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The formula of ethanoic acid is _____________.
Ester is formed by the reaction between ______.
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