1
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which among the following species has unequal bond lengths?
A
XeF4
B
BF$$_4^ - $$
C
SiF4
D
SF4
2
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment?

(i) [FeF6]3$$-$$

(ii) [Co(NH3)6]3+

(iii) [NiCl4]2$$-$$

(iv) [Cu(NH3)4]2+
A
(iii) > (iv) > (ii) > (i)
B
(ii) > (iii) > (i) > (iv)
C
(i) > (iii) > (iv) > (ii)
D
(ii) > (i) > (iii) > (iv)
3
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The major components of German Silver are :
A
Zn, Ni and Ag
B
Cu, Zn and Ni
C
Cu, Zn and Ag
D
Ge, Cu and Ag
4
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
The correct order of acid character of the following compounds is :

JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Basics of Organic Chemistry Question 114 English
A
IV > III > II > I
B
III > II > I > IV
C
II > III > IV > I
D
I > II > III > IV
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