1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one is a nucleophilic substitution reaction among the following ?
A
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 1
B
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 2
C
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 3
D
AIPMT 2011 Prelims Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 91 English Option 4
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The Lassaigne's extract is boiled with conc. HNO3 while testing for halogens. By doing so it
A
decomposes Na2S and NaCN, formed
B
helps in the precipitation of AgCl
C
increases the solubility product of AgCl
D
increases the concentration of N$$_3^ - $$ ions
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
In the following reactions,

AIPMT 2011 Prelims Chemistry - Alcohol, Phenols and Ethers Question 24 English
the major products (A) and (C) are respectively
A
AIPMT 2011 Prelims Chemistry - Alcohol, Phenols and Ethers Question 24 English Option 1
B
AIPMT 2011 Prelims Chemistry - Alcohol, Phenols and Ethers Question 24 English Option 2
C
AIPMT 2011 Prelims Chemistry - Alcohol, Phenols and Ethers Question 24 English Option 3
D
AIPMT 2011 Prelims Chemistry - Alcohol, Phenols and Ethers Question 24 English Option 4
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
In photoelectric emission process from a metal of work function 1.8 eV, the kinetic energy of most energetic electrons is 0.5 eV. The corresponding stopping potential is
A
1.8 V
B
1.3 V
C
0.5 V
D
2.3 V
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