1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements related to lanthanoids is incorrect?
A
Europium shows + 2 oxidation state.
B
The basicity decreases as the ionic radius decreases from Pr to Lu.
C
All the lanthanons are much more reactive than aluminium.
D
Ce(+4) solutions are widely used as oxidizing agent in volumetric analysis.
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Jahn-Teller effect is not observed in high spin complexes of
A
d7
B
d8
C
d4
D
d9
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
The correct increasing order of trans-effect of the following species is
A
NH3 > CN$$-$$ > Br$$-$$ > C6H5$$-$$
B
CN$$-$$ > C6H5$$-$$ > Br$$-$$ > NH3
C
Br$$-$$ > CN$$-$$ > NH3 > C6H5$$-$$
D
CN$$-$$ > Br$$-$$ > C6H5$$-$$ > NH3
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Planck's constant (h), speed of light in vacuum (c) and Newton's gravitional constant (G) are three fundamental constants. Which of the following combinations of these has the dimension of length ?
A
$${{\sqrt {hG} } \over {{c^{3/2}}}}$$
B
$${{\sqrt {hG} } \over {{c^{5/2}}}}$$
C
$$\sqrt {{{hc} \over G}} $$
D
$$\sqrt {{{Gc} \over {{h^{3/2}}}}} $$
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