1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Three complexes,
[CoCl(NH3)5] 2+(I),
[Co(NH3)5H2O]3+ (II) and
[Co(NH3)6] 3+(III)
absorb light in the visible region. The correct order of the wavelength of light absorbed by them is :
A
(III) > (I) > (II)
B
(III) > (II) > (I)
C
(I) > (II) > (III)
D
(II) > (I) > (III)
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The species that can have a trans-isomer is :
(en = ehane-1, 2-diamine, ox = oxalate)
A
[Cr(en)2(ox)]+
B
[Pt(en)Cl2]
C
[Pt(en)2Cl2]2+
D
[Zn(en)Cl2]
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is : JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 127 English
A
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 127 English Option 1
B
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 127 English Option 2
C
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 127 English Option 3
D
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 127 English Option 4
4
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
At room temperature, a dilute solution of urea is prepared by dissolving 0.60 of urea in 360 g of water. If the vapour pressure of pure water at this temperature is 35 mm Hg, lowering of vapour pressure will be. (molar mass of urea = 60 g mol–1)
A
0.031 mmHg
B
0.017 mmHg
C
0.028 mmHg
D
0.027 mmHg
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