1
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The number of S = O and S − OH bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are :
A
(2 and 2) and (2 and 2)
B
(2 and 4) and (2 and 4)
C
(4 and 2) and (2 and 4)
D
(4 and 2) and (4 and 2)
2
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not true about partition chromatography?
A
Mobile phase can be a gas
B
Stationary phase is a finely divided solid adsorbent
C
Separation depends upon equilibration of solute between a mobile and a stationary phase
D
Paper chromatography is an example of partition chromatography
3
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A mixture containing the following four compounds is extracted with $$1M$$ $$HCl.$$ The compound that goes to aqueous layer is :

JEE Main 2017 (Online) 8th April Morning Slot Chemistry - Basics of Organic Chemistry Question 157 English
A
(I)
B
(II)
C
(III)
D
(IV)
4
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A solution containing a group-IV cation gives a precipitate on passing H2S. A solution of this precipitate in dil.HCl produces a white precipitate with NaOH solution and bluish-white precipitate with basic potassium ferrocyanide. The cation is :
A
Co2+
B
Ni2+
C
Mn2+
D
Zn2+
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