1
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
2
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following standard electrode potentials (Eo in volts) in aqueous solution :

Element M3+ /M M+ /M
A1 -1.66 + 0.55
T1 +1.26 - 0.34


Based on these data, which of the following statements is correct ?
A
T1+ is more stable than A13+
B
A1+ is more stable than A13+
C
T1 + is more stable than A1+
D
T13+ is more stable than A13+
3
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following ionization enthalpies of two elements 'A' and 'B' .

Element Ionization enthalpy (kJ/mol)
1st 2nd 3rd
A 899 1757 14847
B 737 1450 7731


Which of the following statements is correct ?
A
Both ‘A’ and ‘B’ belong to group-1where ‘B’ comes below ‘A’.
B
Both ‘A’ and ‘B’ belong to group-1 where ‘A’ comes below ‘B’.
C
Both ‘A’ and ‘B’ belong to group-2 where ‘B’ comes below ‘A’.
D
Both ‘A’ and ‘B’ belong to group-2 where ‘A’ comes below ‘B’.
4
JEE Main 2017 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is :

JEE Main 2017 (Online) 8th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 122 English
A
CH2 = CHCH2CH = CHCH3
B
CH2 = CHCH = CHCH2CH3
C
CH3CH = C = CHCH2CH3
D
CH3CH = CH − CH = CHCH3
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