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 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
The pair of species with the same bond order is
A
O$$_2^{2 - }$$, B2
B
O$$_2^{ + }$$, NO+
C
NO, CO
D
N2, O2
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following species contains three bond pairs and one lone pair arround the central atom ?
A
H2O
B
BF3
C
NH2$$-$$
D
PCl3
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following structures is the most preferred and hence of lowest energy for SO3?
A
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 1
B
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 2
C
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 3
D
AIPMT 2011 Mains Chemistry - Chemical Bonding and Molecular Structure Question 45 English Option 4
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?
A
$$O_2^ - ,O_2^{2 - }$$ - Both diamagnetic
B
$$O_2^ + ,{O_2}$$ - Both paramagnetic
C
O, $$O_{2}^{2-}$$ - Both paramagnetic
D
$${O^ + },O_2^{2 - }$$ - Both paramagnetic
NEET Subjects