1
JEE Main 2021 (Online) 18th March Evening Shift
Numerical
+4
-1
JEE Main 2021 (Online) 18th March Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 97 English
Consider the above reaction where 6.1 g of Benzoic acid is used to get 7.8 g of m-bromo benzoic acid. The percentage yield of the product is __________

(Round off to the Nearest Integer).

[Given : Atomic masses : C : 12.0 u, H : 1.0 u, O : 16.0 u, Br : 80.0 u]
Your input ____
2
JEE Main 2021 (Online) 17th March Evening Shift
Numerical
+4
-1
The total number of C-C sigma bond/s in mesityl oxide (C6H10O) is __________. (Round off to the Nearest Integer).
Your input ____
3
JEE Main 2021 (Online) 25th February Evening Shift
Numerical
+4
-1
The number of compound/s given below which contain/s -COOH group is __________. (Integer answer)

(A) Sulphanilic acid

(B) Picric acid

(C) Aspirin

(D) Ascorbic acid
Your input ____
4
JEE Main 2020 (Online) 9th January Evening Slot
Numerical
+4
-0
Consider the following reactions

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 136 English
The mass percentage of carbon in A is ______.
Your input ____
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