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JEE Main 2022 (Online) 27th July Evening Shift
Numerical
+4
-1
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$$\matrix{ {[A]} & \to & {[B]} \cr {{\mathop{\rm Reactant}\nolimits} } & {} & {{\mathop{\rm Product}\nolimits} } \cr } $$

If formation of compound $$[\mathrm{B}]$$ follows the first order of kinetics and after 70 minutes the concentration of $$[\mathrm{A}]$$ was found to be half of its initial concentration. Then the rate constant of the reaction is $$x \times 10^{-6} \mathrm{~s}^{-1}$$. The value of $$x$$ is ______________. (Nearest Integer)

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2
JEE Main 2022 (Online) 27th July Evening Shift
Numerical
+4
-1
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The number of molecule(s) or ion(s) from the following having non-planar structure is ____________.

$$\mathrm{NO}_{3}^{-}, \mathrm{H}_{2} \mathrm{O}_{2}, \mathrm{BF}_{3}, \mathrm{PCl}_{3}, \mathrm{XeF}_{4}, \mathrm{SF}_{4}, \mathrm{XeO}_{3}, \mathrm{PH}_{4}^{+}, \mathrm{SO}_{3},\left[\mathrm{Al}(\mathrm{OH})_{4}\right]^{-}$$

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3
JEE Main 2022 (Online) 27th July Evening Shift
Numerical
+4
-1
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The spin only magnetic moment of the complex present in Fehling's reagent is __________ B.M. (Nearest integer).

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4
JEE Main 2022 (Online) 27th July Evening Shift
Numerical
+4
-1
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JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Practical Organic Chemistry Question 40 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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