1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Name the two type of the structure of silicate in which one oxygen atom of [SiO4]4$$-$$ is shared?
A
Linear chain silicate
B
Sheet silicate
C
Pyrosilicate
D
Three dimensional
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D.
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English
A
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 1
B
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 2
C
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 3
D
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 63 English Option 4
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Acidified K2Cr2O7 solution turns green when Na2SO3 is added to it. This is due to the formation of
A
Cr2(SO4)3
B
CrO$$_4^{2 - }$$
C
Cr2(SO3)3
D
CrSO4
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
For the four successive transition elements (Cr, Mn, Fe and Co), the stability of + 2 oxidation state will be there in which of the following order?
(At. nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)
A
Mn > Fe > Cr > Co
B
Fe > Mn > Co > Cr
C
Co > Mn > Fe > Cr
D
Cr > Mn > Co > Fe