1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The correct order of N-compounds in its decreasing order of oxidation states is
A
HNO3 , NO, N2 , NH4Cl
B
HNO3 , NO, NH4Cl, N2
C
HNO3 , NH4Cl, NO, N
D
NH4Cl, N2 , NO, HNO3
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Among CaH2 , BeH2 , BaH2 , the order of ionic character is
A
BeH2 < CaH2 < BaH2
B
CaH2 < BeH2 < BaH2
C
BeH2 < BaH2 < CaH2
D
BaH2 < BeH2 < CaH2
3
NEET 2018
MCQ (More than One Correct Answer)
+4
-1
Which of the following is correct with respect to – I effect of the substituents? (R = alkyl)
A
– NH2 < – OR < – F
B
– NR2 < – OR < – F
C
– NH2 > – OR > – F
D
– NR2 > – OR > – F
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s22s22p3, the simplest formula for this compound is
A
Mg2X3
B
MgX2
C
Mg2X
D
Mg3X2
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSATMHT CET
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN