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JEE Main 2022 (Online) 29th June Evening Shift
Numerical
+4
-1
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In the given reaction,

JEE Main 2022 (Online) 29th June Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 75 English

The number of $$\pi$$ electrons present in the product 'P' is _________.

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2
JEE Main 2021 (Online) 18th March Evening Shift
Numerical
+4
-1
In Tollen's test for aldehyde, the overall number of electron(s) transferred to the Tollen's reagent formula [Ag(NH3)2]+ per aldehyde group to form silver mirror is ___________. (Round off to the Nearest Integer).
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3
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]
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4
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).
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