1
JEE Main 2023 (Online) 29th January Evening Shift
Numerical
+4
-1
Out of Syllabus
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A metal M forms hexagonal close-packed structure. The total number of voids in 0.02 mol of it is _________ $$\times$$ $$10^{21}$$ (Nearest integer).

(Given $$\mathrm{N_A=6.02\times10^{23}}$$)

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2
JEE Main 2023 (Online) 29th January Evening Shift
Numerical
+4
-1
Change Language

The denticity of the ligand present in the Fehling's reagent is ___________.

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3
JEE Main 2023 (Online) 29th January Evening Shift
Numerical
+4
-1
Change Language

When 0.01 mol of an organic compound containing 60% carbon was burnt completely, 4.4 g of CO$$_2$$ was produced. The molar mass of compound is _____________ g mol$$^{-1}$$ (Nearest integer).

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4
JEE Main 2023 (Online) 29th January Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language

On heating, $$\mathrm{LiNO_3}$$ gives how many compounds among the following __________

$$\mathrm{Li_2O,N_2,O_2,LiNO_2,NO_2}$$

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