Class XI General Organic Chemistry Revision Quiz 4

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Question 1

The molecules shown here are

• Aidentical
• Bdiastereomers
• Cenantiomers
• Dconstitutional isomers

Question 2

Some pairs of ions are given below. In which pair, first ion is more stable than second ion?

• A
• B
  
• C
• D

Question 3

Which of the following will exhibit optical isomerism?

• A1 and 3
• B1 and 2
• C1,2 and 4
• D1 only

Question 4

The right order of priority is

• ACO>CN>OH
• BCN>CO>OH
• COH>CN>CO
• DOH>CO>CN

Question 5

The C-O-H angle in phenol is

• A180 °
• B120 °
• C145 °
• D109 °

Question 6

Among the following carbocation’s :
(I) Ph₂C+CH₂Me
(II) PhCH₂CH₂CH⁺Ph
(III)Ph₂CHCH⁺Me
(IV)Ph₂C(Me)CH₂⁺
the order of stability is

• AIV>II>I>III
• BI>II>III>IV
• CII>I>IV>III
• DI>IV>III>II

Question 7

Amongst the following compounds, the one that will not respond to cannizzaro reaction upon treatment with alkali

• A
• B
• C
• DHCHO

Question 8

32 gm of (+)-2-bromobutane is mixed with 48 gm of (–)2 bromobutane. What will be the optical purity of the obtained mixture?

• A10%
• B20%
• C30%
• D40%

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