1
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Thiol group is present in :
A
Cytosine
B
Cystine
C
Cysteine
D
Methionine
2
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br2 used per mole of amine produced are:
A
Four moles of NaOH and two moles of Br2.
B
Two moles of NaOH and two moles of Br2
C
Four moles of NaOH and one mole of Br2
D
One mole of NaOH and one mole of Br2
3
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following is an anionic detergent ?
A
Sodium stearate
B
Sodium lauryl sulphate
C
Cetyltrimethyl ammonium bromide
D
Glyceryl oleate
4
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 ppb, 40 ppb, 100 ppm and 0.2 ppm, respectively. This water is unsuitable for drinking due to high concentration of :
A
Lead
B
Nitrate
C
Iron
D
Fluoride
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