Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
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+
2
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$$-$$
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which of the following options represents the correct bond order ?
A
O2$$-$$  > O2 < O2+
B
O2$$-$$  <  O2  >  O2+
C
O2$$-$$  >  O2  >  O2+
D
O2$$-$$  <  O2  <  O2+
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which of the following species contains equal number of $$\sigma $$- and $$\pi $$-bonds ?
A
(CN)2
B
CH2(CN)2
C
HCO3$$-$$
D
XeO4
NEET Subjects