1
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following is a set of nucleophiles ?

A
$\mathrm{H}^{+}, \mathrm{NH}_3, \mathrm{Cr}^{-}$
B
$\mathrm{BF}_3, \mathrm{H}_2 \mathrm{O}, \mathrm{NH}_3$
C
$\mathrm{AlCl}_3, \mathrm{BF}_3, \mathrm{NH}_3$
D
$\mathrm{CN}^{-}, \mathrm{H}_2 \mathrm{O}, \mathrm{R}-\mathrm{OH}$
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following acts as oxidising agent in hydrogen-oxygen fuel cell ?

A
$\mathrm{H}_2$
B
KOH
C
$\mathrm{O}_2$
D
C
3
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In ozone molecule the formal charge on the central oxygen atom is

A
$-1$
B
$+2$
C
$0$
D
$+1$
4
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

According to Werner's theory the geometry of the complex is determined by

A
only from the primary valence in space
B
number and position of the primary valences in space
C
number and position of the secondary valences in space
D
only from the position of secondary valence in space
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