When lightning flash is produced, which gas may form

In the above first order reaction the initial concentration of $\mathrm{N}_{2} \mathrm{O}_{5}$ is $2.40 \times 10^{-2}\, \mathrm{~mol} \,\mathrm{~L}^{-1}$ at $318 \,K.$ The concentration of $\mathrm{N}_{2} \mathrm{O}_{5}$ after $1\, hour$ was $1.60 \times 10^{-2}\, \mathrm{~mol} \,\mathrm{~L}^{-1}$, The rate constant of the reaction at $318\, \mathrm{~K}$ is $.....\,\times 10^{-3} \mathrm{~min}^{-1}$. (Nearest integer)

[Given: $\log 3=0.477, \log 5=0.699$ ]

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Which one is liquid at room temperature :

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In a first-order reaction $A \rightarrow B,$ if $ k$ is rate constant and initial concentration of the reactant $A$ is $0.5\, M,$ then the half-life is

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$STATEMENT-1$: Glucose gives a reddish-brown precipitate with Fehling's solution. because

$STATEMENT-2$: Reaction of glucose with Fehling's solution gives $\mathrm{CuO}$ and gluconic acid.

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In $Fe_2(CO)_9$, the two iron atoms are

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p -Block elements - ll — Chemistry STD 12 Science — Question

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