1
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following reaction A is : JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 178 English
A
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 178 English Option 1
B
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 178 English Option 2
C
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 178 English Option 3
D
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 178 English Option 4
2
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The first and second ionisation enthalpies of a metal are 496 and 4560 kJ mol–1, respectively. How many moles of HCl and H2SO4, respectively, will be needed to react completely with 1 mole of the metal hydroxide ?
A
1 and 2
B
1 and 0.5
C
1 and 1
D
2 and 0.5
3
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following reactions,

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Compounds Containing Nitrogen Question 172 English
The compound [P] is :
A
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Compounds Containing Nitrogen Question 172 English Option 1
B
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Compounds Containing Nitrogen Question 172 English Option 2
C
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Compounds Containing Nitrogen Question 172 English Option 3
D
JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Compounds Containing Nitrogen Question 172 English Option 4
4
JEE Main 2020 (Online) 9th January Evening Slot
Numerical
+4
-0
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Consider the following reactions

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 177 English
The mass percentage of carbon in A is ______.
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