1
IIT-JEE 2012 Paper 1 Offline
MCQ (More than One Correct Answer)
+2
-0.5
Choose the correct reason for the stability of the Iyophobic colloidal particles
A
Preferential adsorption of ions on their surface from the solution
B
Preferential adsorption of solvent on their surface from the solution
C
Attraction between different particles having opposite charges on their surface
D
Potential difference between the fixed layer and the diffused layer of opposite charges around the colloidal particles.
2
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+1
-0.25
In allene (C3H4), the type(s) of hybridisation of the carbon atoms is (are):
A
sp and sp3
B
sp and sp2
C
only sp3
D
sp2 and sp3
3
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 14 English

A
MX
B
MX2
C
M2X
D
M5X14
4
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

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