1
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds will show the maximum 'enol' content?
A
CH3COCH3
B
CH3COCH2COCH3
C
CH3COCH2COOC2H5
D
CH3COCH2CONH2
2
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
5 moles of an ideal gas at 100 K are allowed to undergo reversible compression till its temperature becomes 200 K. If CV = 28 JK–1mol–1, calculate $$\Delta $$U and $$\Delta $$pV for this process. (R = 8.0 JK–1 mol–1]
A
$$\Delta $$U = 14 kJ; $$\Delta $$(pV) = 4 kJ
B
$$\Delta $$U = 2.8 kJ; $$\Delta $$(pV) = 0.8 kJ
C
$$\Delta $$U = 14 kJ; $$\Delta $$(pV) = 18 kJ
D
$$\Delta $$U = 14 kJ; $$\Delta $$(pV) = 0.8 kJ
3
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product obtained in the following reaction is : JEE Main 2019 (Online) 8th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 185 English
A
JEE Main 2019 (Online) 8th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 185 English Option 1
B
JEE Main 2019 (Online) 8th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 185 English Option 2
C
JEE Main 2019 (Online) 8th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 185 English Option 3
D
JEE Main 2019 (Online) 8th April Evening Slot Chemistry - Compounds Containing Nitrogen Question 185 English Option 4
4
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The statement that is INCORRECT about the interstitial compounds is :
A
They are chemically reactive
B
They have metallic conductivity
C
They have high melting points
D
They are very hard
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