1
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+4
-1
The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is [$$\alpha_0$$ is Bohr radius]
A
$${h^2 \over {4{\pi ^2}m\alpha _0^2}}$$
B
$${h^2 \over {16{\pi ^2}m\alpha _0^2}}$$
C
$${h^2 \over {32{\pi ^2}m\alpha _0^2}}$$
D
$${h^2 \over {64{\pi ^2}m\alpha _0^2}}$$
2
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

A compound MpXq has cubic close packing (ccp) arrangement of X. Its unit cell structure is shown below. The empirical formula of the compound is

IIT-JEE 2012 Paper 1 Offline Chemistry - Solid State Question 11 English

A
MX
B
MX2
C
M2X
D
M5X14
3
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The carboxyl functional group ($$-$$COOH) is present in

A
picric acid
B
barbituric acid
C
ascorbic acid
D
aspirin
4
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

As per IUPAC nomenclature, the name of the complex $$[Co{({H_2}O)_4}{(N{H_3})_2}]C{l_3}$$ is

A
Tetraaquadiaminecobalt (III) chloride.
B
Tetraaquadiamminecobalt (III) chloride.
C
Diaminetetraaquacobalt (III) chloride.
D
Diamminetetraaquacobalt (III) chloride.
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