1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
If n = 6, the correct sequence for filling of electrons will be
A
$$ns \to \left( {n - 2} \right)f \to \left( {n - 1} \right)d \to np$$
B
$$ns \to \left( {n - 1} \right)d \to \left( {n - 2} \right)f \to np$$
C
$$ns \to \left( {n - 2} \right)f \to np \to \left( {n - 1} \right)d$$
D
$$ns \to np\left( {n - 1} \right)d \to \left( {n - 2} \right)f$$
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The total number of atomic orbitals in fourth energy level of an atom is
A
8
B
16
C
32
D
4
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Clemmensen reduction of a ketone is carried out in the presence of which of the following?
A
Glycol with KOH
B
Zn-Hg with HCl
C
LiAlH4
D
H2 and Pt as catalyst
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is not true regarding (+) lactose?
A
On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose.
B
(+) Lactose is a $$\beta $$-glucoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose.
C
(+) Lactose is a reducing sugar and does not exihibit mutarotation.
D
(+) Lactose, C12H22O11 contains 8-OH groups