JEE Main 2022 (Online) 30th June Morning Shift | Aldehydes, Ketones and Carboxylic Acids Question 78 | Chemistry

JEE Main 2022 (Online) 30th June Morning Shift

Numerical

-1

A hydrocarbon 'X' is found to have molar mass of 80. A 10.0 mg of compound 'X' on hydrogenation consumed 8.40 mL of H₂ gas (measured at STP). Ozonolysis of compound 'X' yields only formaldehyde and dialdehyde. The total number of fragments/molecules produced from the ozonolysis of compound 'X' is _____________.

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JEE Main 2022 (Online) 29th June Evening Shift

Numerical

-1

In the given reaction,

JEE Main 2022 (Online) 29th June Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 90 English

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

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JEE Main 2021 (Online) 18th March Evening Shift

Numerical

-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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JEE Main 2021 (Online) 18th March Evening Shift

Numerical

-1

JEE Main 2021 (Online) 18th March Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 112 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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