1
JEE Main 2023 (Online) 6th April Morning Shift
Numerical
+4
-1
Change Language

The value of $$\log \mathrm{K}$$ for the reaction $$\mathrm{A} \rightleftharpoons \mathrm{B}$$ at $$298 \mathrm{~K}$$ is ___________. (Nearest integer)

Given: $$\Delta \mathrm{H}^{\circ}=-54.07 \mathrm{~kJ} \mathrm{~mol}^{-1}$$

$$\Delta \mathrm{S}^{\circ}=10 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$$

(Take $$2.303 \times 8.314 \times 298=5705$$ )

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2
JEE Main 2023 (Online) 6th April Morning Shift
Numerical
+4
-1
Change Language

Number of ambidentate ligands in a representative metal complex $$\left[\mathrm{M}(\mathrm{en})(\mathrm{SCN})_{4}\right]$$ is ___________.

[en = ethylenediamine]

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3
JEE Main 2023 (Online) 6th April Morning Shift
Numerical
+4
-1
Change Language

If 5 moles of $$\mathrm{BaCl}_{2}$$ is mixed with 2 moles of $$\mathrm{Na}_{3} \mathrm{PO}_{4}$$, the maximum number of moles of $$\mathrm{Ba}_{3}\left(\mathrm{PO}_{4}\right)_{2}$$ formed is ___________ (Nearest integer)

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4
JEE Main 2023 (Online) 6th April Morning Shift
Numerical
+4
-1
Change Language

In ammonium - phosphomolybdate, the oxidation state of Mo is + ___________

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