1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Which is the correct order of increasing energy of the listed orbitals in the atom of titanium ? (At. no. Z = 22)
A
4s 3s 3p 3d
B
3s 3p 3d 4s
C
3s 3p 4s 3d
D
3s 4s 3p 3d
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
In which of the following pairs, both the species are not isostructural ?
A
Diamond, Silicon carbide
B
NH3, PH3
C
XeF4, XeO4
D
SiCl4, PCl4+
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Decreasing order of stability of O2, O2$$-$$, O2+ and O22$$-$$ is
A
O22$$-$$  >  O2$$-$$  >  O2  >  O2+
B
O2  >  O2+  >  O22$$-$$  >  O2$$-$$
C
O2$$-$$  >  O22$$-$$  >  O2+  >  O2
D
O2+  >  O2  >  O2$$-$$  >  O22$$-$$
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The heat of combination of carbon to CO2 is $$-$$393.5 kJ/mol. The heat released upon formation of 35.2 g of CO2 from carbon and oxygen gas is
A
+ 315 kJ
B
$$-$$630 kJ
C
$$-$$ 3.15 kJ
D
$$-$$ 315 kJ
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12