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JEE Main 2022 (Online) 27th July Evening Shift
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JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Practical Organic Chemistry Question 39 English

In the above reaction, $$5 \mathrm{~g}$$ of toluene is converted into benzaldehyde with $$92 \%$$ yield. The amount of benzaldehyde produced is ______________ $$\times 10^{-2} \mathrm{~g}$$. (Nearest integer)

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JEE Main 2022 (Online) 25th July Morning Shift
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While estimating the nitrogen present in an organic compound by Kjeldahl's method, the ammonia evolved from $$0.25 \mathrm{~g}$$ of the compound neutralized $$2.5 \mathrm{~mL}$$ of $$2 \,\mathrm{M} \,\mathrm{H}_{2} \mathrm{SO}_{4}$$. The percentage of nitrogen present in organic compound is ______________.

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JEE Main 2022 (Online) 30th June Morning Shift
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An organic compound with 51.6% sulfur is heated in a Carius tube. The amount of this compound which will form 0.752 g of barium sulphate is ___________ $$\times$$ 10$$-$$1 g.

(Given molar mass of barium sulphate 233 g mol$$-$$1) (Nearest integer).

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JEE Main 2022 (Online) 29th June Morning Shift
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Kjeldahl's method was used for the estimation of nitrogen in an organic compound. The ammonia evolved from 0.55 g of the compound neutralised 12.5 mL of 1 M H2SO4 solution. The percentage of nitrogen in the compound is _____________. (Nearest integer)

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