1
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
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Which one of the following elements is unable to form MF63– ion?
A
Ga
B
Al
C
B
D
In
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Which of the following molecules represents the order of hybridisation sp2 , sp2 , sp, sp from left to right atoms?
A
HC $$ \equiv $$ C — C $$ \equiv $$ CH
B
CH2 = CH — C $$ \equiv $$ CH
C
CH2 = CH — CH = CH2
D
CH3 — CH = CH — CH3
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