Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 13 PCB MCQ (Single Correct)

Which of the following statement(s) is/are incorrect?
(I) 2 -methylpropene with gives tert-butyl alcohol.
(II) Ethene on ozonolysis gives two molecules of formaldehyde.
(III) Propene reacts with HCl in the presence of peroxides to give 1-chloropropane.
(IV) Addition of to propene in is an anti-addition reaction.

A
I and IV only
B
I, II and IV
C
III only
D
II and III only

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Text Solution

Verified by Experts
The correct answer is:
C

(I) 2-Methylpropene tert-butyl alcohol (Markovnikov. hydration).
(II) Ethene on ozonolysis cleaves to two molecules of formaldehyde.
(III) Peroxide effect works only with HBr, not with HCl. So propene does not give 1-chloropropane with HCl /peroxides.
(IV) Addition of to propene is anti-addition via a bromonium ion.

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