1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statement regarding electrophile is
A
electrophile is a negatively charged species and form a bond by accepting a pair of electrons from another electrophile
B
electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile
C
electrophile can be either neutral or positively charged species and can form a bond by accepting a pair of electrons from a nucleophile
D
electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile.
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration ?
A
Carbon family, [Rn] 5f14 6d10 7s2 7p2
B
Oxygen family, [Rn] 5f14 6d10 7s2 7p4
C
Nitrogen family, [Rn] 5f14 6d10 7s2 7p6
D
Halogen family, [Rn] 5f14 6d10 7s2 7p5
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following pairs of species have the same bond order ?
A
O2, NO+
B
CN$$-$$, CO
C
N2, O2$$-$$
D
CO, NO
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The species, having bond angles of 120o is
A
ClF3
B
NCl3
C
BCl3
D
PH3