JEE Main Organic Revision -Physical properties of Organic compounds-2

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Question 1

The “N” which does not contribute to the basicity for the compound is:

• AN 7
• BN 9
• CN 1
• DN 3

Question 2

Among the following compounds, the increasing order of their basic strength is:
(I)
(II)
(III)
(IV)

• A
• B
• C
• D

Question 3

Dipole moment of which of the following is highest-

• AEther
• BAlcohol
• CHalo alkane
• DNitro alkane

Question 4

Which one of the following is the strongest base in aqueous solution?

• ADimethylamine
• BMethylamine
• CTrimethylamine
• DAniline

Question 5

Which of the following shows the correct order of decreasing acidity-

• APhCO₂H > PhSO₃H > PhCH₂OH > PhOH
• BPhSO₃H > PhOH > PhCO₂H > PhCH₂OH
• CPhCO₂H >PhOH > PhCH₂OH > PhSO₃H
• DPhSO₃H > PhCO₂H > PhOH > PhCH₂OH

Question 6

Most acidic alcohol among the following is -

• A
• B
• C
• D

Question 7

Which of the following carboxylic acids has the maximum acidic strength?

• APhCOOH
• Bo – NO₂C₆H₄COOH
• Cp – NO₂C₆H₄COOH
• Dm – NO₂C₆H₄COOH

Question 8

, pK_a value of the compound decreases if X is:

• A–NO₂
• B– NH₂
• C– OH
• D– OCH₃

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