1
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Nitrogen can be estimated by Kjeldahl's method for which of the following compound?
A
JEE Main 2021 (Online) 17th March Evening Shift Chemistry - Basics of Organic Chemistry Question 139 English Option 1
B
JEE Main 2021 (Online) 17th March Evening Shift Chemistry - Basics of Organic Chemistry Question 139 English Option 2
C
JEE Main 2021 (Online) 17th March Evening Shift Chemistry - Basics of Organic Chemistry Question 139 English Option 3
D
JEE Main 2021 (Online) 17th March Evening Shift Chemistry - Basics of Organic Chemistry Question 139 English Option 4
2
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The set of elements that differ in mutual relationship from those of the other sets is :
A
Li - Na
B
Be - Al
C
B - Si
D
Li - Mg
3
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Amongst the following, the linear species is :
A
O3
B
Cl2O
C
N$$_3^ - $$
D
NO2
4
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct pair(s) of the ambident nucleophiles is(are)

(A) AgCN/KCN

(B) RCOOAg/RCOOK

(C) AgNO2/KNO2

(D) AgI/KI
A
(B) and (C) only
B
(B) only
C
(A) and (C) only
D
(A) only
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