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 2009
MCQ (Single Correct Answer)
+4
-1
Maximum number of electrons in a subshell of an atom is determined by the following
A
2$$l$$ + 1
B
4$$l$$ $$-$$ 2
C
2n2
D
4$$l$$ + 2
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
If uncertainty in position and momentum are equal, then uncertainty in velocity is
A
$${1 \over m}\sqrt {{h \over \pi }} $$
B
$$\sqrt {{h \over \pi }} $$
C
$${1 \over {2m}}\sqrt {{h \over \pi }} $$
D
$$\sqrt {{h \over {2\pi }}} $$
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The measurement of the electron position is associated with an uncertainty in momentum, which is equal to 1 $$ \times $$ 10$$-$$18 g cm s$$-$$1. The uncertainty in electron velocity is (mass of an electron is 9 $$ \times $$ 10$$-$$28 g)
A
1 $$ \times $$ 105 cm s$$-$$1
B
1 $$ \times $$ 1011 cm s$$-$$1
C
1 $$ \times $$ 109 cm s$$-$$1
D
1 $$ \times $$ 106 cm s$$-$$1
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Consider the following sets of quantum numbers :

n l m s
(i) 3 0 0 +1/2
(ii) 2 2 1 +1/2
(iii) 4 3 -2 -1/2
(iv) 1 0 -1 -1/2
(v) 3 2 3 +1/2


Which of the following sets of quantum number is not possible ?
A
(i), (ii), (iii) and (iv)
B
(ii), (iv) and (v)
C
(i) and (iii)
D
(ii), (iii) and (iv)
NEET Subjects