1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following statements is correct when SO2 is passed through acidified K2Cr2O7 solution?
A
SO2 is reduced.
B
Green Cr2(SO4)3 is formed.
C
The solution turns blue.
D
The solution is decolourised.
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64) and Tb (Atomic No.65) are
A
[Xe]4f65d16s2,
[Xe]4f75d16s2 and [Xe]4f85d16s2
B
[Xe]4f7 6s2, [Xe]4f7 5d1 6s2 and [Xe]4f9 6s2
C
[Xe]4f7 6s2, [Xe]4f8 6s2 and [Xe]4f8 5d1 6s2
D
[Xe]4f6 5d1 6s2, [Xe]4f7 5d1 6s2 and [Xe]4f9 6s2
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following has longest C$$-$$O bond length? (Free C$$-$$O bond length in CO is 1.128 $$\mathop A\limits^o $$.)
A
[Fe(CO)4]2$$-$$
B
[Mn(CO)6]+
C
Ni(CO)4
D
[Co(CO)4]$$-$$
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statement regarding the comparison of staggered and eclipsed conformations of ethane, is
A
the eclipsed conformation of ethane is more stable than staggered conformation even through the eclipsed conformation has torsional strain
B
the staggered conformation of ethane is more stable than eclipsed conformation, because staggered conformation has no torsional strain
C
the staggered conformation of ethane is less stable than eclipsed conformation, because staggered conformation has torsional strain
D
the eclipsed conformation of ethane is more stable than stggered conformation, because eclipsed conformation has no torsional strain.
EXAM MAP