1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
In a mixture of A and B, components show negative deviation when :
A
$$\Delta V_{mix}$$ > 0, $$\Delta S_{mix}$$ > 0
B
$$\Delta V_{mix}$$ = 0, $$\Delta S_{mix}$$ > 0
C
A - B interaction is weaker than A - A and B - B interaction
D
A - B interaction is stronger than A - A and B - B interaction
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
CH3 - Mg - Br is an organometallic compound due to :
A
Mg - Br bond
B
C - Mg bond
C
C - Br bond
D
C - H bond
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
How do we differentiate between Fe3+ and Cr3+ in group III?
A
by taking excess of NH4OH solution
B
by increasing $$NH_4^+$$ ion concentration
C
by decreasing OH- ion concentration
D
both (b) and (c)
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
When primary amine reacts with chloroform in ethanoic KOH then the product is
A
an isocyanide
B
an aldehyde
C
a cyanide
D
an alcohol

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