1
JEE Main 2020 (Online) 7th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following reaction :

$${\left( {C{H_3}} \right)_3}CCH\left( {OH} \right)C{H_3}\buildrel {conc.\,\,\,{H_2}S{O_4}} \over \longrightarrow $$

$${\left( {C{H_3}} \right)_2}CHCH\left( {Br} \right)C{H_3}\buildrel {alc.\,\,KOH} \over \longrightarrow $$

$${\left( {C{H_3}} \right)_2}{\rm{ }}CHCH\left( {Br} \right)C{H_3}\buildrel {{{(C{H_3})}_3}{O^\Theta }{K^ \oplus }} \over \longrightarrow $$

$${\left( {C{H_3}} \right)_2}\mathop C\limits_{\mathop |\limits_{OH} } - C{H_2} - CHO\buildrel \Delta \over \longrightarrow $$

Which of these reaction(s) will not produce Saytzeff product ?
A
(d) only
B
(b) and (d)
C
(a), (c) and (d)
D
(c) only
2
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following skew conformation of ethane, H'–C–C–H'' dihedral angle is : JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Hydrocarbons Question 91 English
A
120o
B
58o
C
151o
D
149o
3
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following reactions :
JEE Main 2019 (Online) 12th April Evening Slot Chemistry - Hydrocarbons Question 90 English
'A' is :
A
$$CH \equiv CH$$
B
$$C{H_3} - C \equiv C - C{H_3}$$
C
$$C{H_3} - C \equiv CH$$
D
$$C{H_2} = C{H_2}$$
4
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
But-2-ene on reaction with alkaline KMnO4 at elevated temperature followed by acidification will give :
A
one molecule of CH3CHO and one molecule of CH3COOH
B
2 molecules of CH3COOH
C
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Hydrocarbons Question 93 English Option 3
D
2 molecules of CH3CHO
JEE Main Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12