JEE 2020: Hydrocarbons

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Question 1

Identify the one which shows E-Z mechanism

• A3-methylpent-2-ene
• B2-methylpent-2-ene
• CMethyl-3-pent-2-ene
• D2,3-methylpentene

Question 2

What is the intermediate species formed during ozonolysis of alkynes?

• AOzonide
• BOzomide
• COxyalkyne
• DNone of these

Question 3

X, Y and Z respectively are:

• AX: Y: Z:
• BX: Y: Z:
• CIn all cases X of A
• DIn all cases Y of A

Question 4

The name(s) of the following compound is -

• Atartaric acid
• B2,3-dihydroxy butane-1,4-dioic acid
• Cα,α' –dihydroxy succinic acid
• Dall of the above

Question 5

The molecule shown below is first treated with BH₃ and then treated by basic hydrogen peroxide. The commercially important product so formed is:

• Apropanol
• Bpropanaldehyde
• Cpropan-2-ol
• Dacetone

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