Examsnet
Unconfined exams practice
Home
Exams
Banking Entrance Exams
CUET Exam Papers
Defence Exams
Engineering Exams
Finance Entrance Exams
GATE Exam Practice
Insurance Exams
International Exams
JEE Exams
LAW Entrance Exams
MBA Entrance Exams
MCA Entrance Exams
Medical Entrance Exams
Other Entrance Exams
Police Exams
Public Service Commission (PSC)
RRB Entrance Exams
SSC Exams
State Govt Exams
Subjectwise Practice
Teacher Exams
SET Exams(State Eligibility Test)
UPSC Entrance Exams
Aptitude
Algebra and Higher Mathematics
Arithmetic
Commercial Mathematics
Data Based Mathematics
Geometry and Mensuration
Number System and Numeracy
Problem Solving
Board Exams
Andhra
Bihar
CBSE
Gujarat
Haryana
ICSE
Jammu and Kashmir
Karnataka
Kerala
Madhya Pradesh
Maharashtra
Odisha
Tamil Nadu
Telangana
Uttar Pradesh
English
Competitive English
Certifications
Technical
Cloud Tech Certifications
Security Tech Certifications
Management
IT Infrastructure
More
About
Careers
Contact Us
Our Apps
Privacy
Test Index
JEE Main 27-Aug-2021 Shift 2 Solved Paper
Show Para
Hide Para
Share question:
© examsnet.com
Question : 33
Total: 90
Given below are two statements
Statement I
Ethyl pent-4-yn-oate on reaction with
CH
3
MgBr
gives a 3° alcohol.
Statement II
In this reaction, one mole of ethyl pent-4-yn-oate utilizes two moles of
CH
3
MgBr
. In the light of the above statements, choose the most appropriate answer from the options given below.
[27 Aug 2021 Shift 2]
Both statement I and statement II are false.
Statement I is false but statement II is true.
Statement I is true but statement II is false.
Both statement I and statement II are true.
Validate
Solution:
Ethyl pent-4-yn-oate on reaction with
CH
3
MgBr
gives 3° alcohol.
∴ Statement I is true.
Mechanism
3 molecules of
CH
3
MgBr
is used for this conversion.
∴ Statement Il is false.
© examsnet.com
Go to Question:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
Prev Question
Next Question