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Give chemical tests to distinguish betwe...

Give chemical tests to distinguish between the follwing pairs of compounds :
(i) Ethanal and Propanal
(ii) Phenol and Benzoic acid

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AI Generated Solution

To distinguish between the given pairs of compounds, we can perform specific chemical tests. Here’s a step-by-step solution for each pair: ### (i) Distinguishing Ethanal and Propanal **Step 1: Identify the Compounds** - Ethanal (acetaldehyde) has the structure CH₃CHO. - Propanal has the structure CH₃CH₂CHO. ...
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-[SET-I]
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  2. (a) Explain the mechanism of a nucleophilic attack on the carbonyl gro...

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  4. How do metallic and ionic substances differ in conducting electricity ...

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  5. What is coagulation process ?

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  6. What is meant by the term ' pyrometallurgy' ?

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  7. Why is red phosphorus less reactive than white phosphorus ?

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  8. Give the IUPAC name of the compound : CH(2)=CH-underset(OH)underset(|)...

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  9. Write the structural formula of 1- phenylpentan - 1 one.

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  10. Arrange the following in the decreasing order of their basic strength ...

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  11. Two half cell reactions of an electrochemical cell are given below : ...

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  13. Outline the principles of refining of metals by the following methods ...

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  14. Complete the following chemical reaction equations : (i) XeF(2)...

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  15. Complete the following chemical equations : (i) MnO(4)^(-) (aq) + ...

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  16. Which one in the following pairs undergoes S(N)1 substitution reactio...

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  17. Complete the follwing reaction equations : (i) (ii) CH(3)CH...

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  18. Name the four bases present in DNA. Which one of these is not present ...

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