1
JEE Main 2023 (Online) 11th April Evening Shift
Numerical
+4
-1
Change Language

The maximum number of lone pairs of electrons on the central atom from the following species is ____________.

$$\mathrm{ClO}_{3}{ }^{-}, \mathrm{XeF}_{4}, \mathrm{SF}_{4}$$ and $$\mathrm{I}_{3}{ }^{-}$$

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2
JEE Main 2023 (Online) 11th April Evening Shift
Numerical
+4
-1
Change Language

The total number of intensive properties from the following is __________

Volume, Molar heat capacity, Molarity, $$\mathrm{E}^{\theta}$$ cell, Gibbs free energy change, Molar mass, Mole

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3
JEE Main 2023 (Online) 11th April Evening Shift
Numerical
+4
-1
Change Language

Number of compounds from the following which will not produce orange red precipitate with Benedict solution is ___________.

Glucose, maltose, sucrose, ribose, 2-deoxyribose, amylose, lactose

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4
JEE Main 2023 (Online) 11th April Evening Shift
Numerical
+4
-1
Change Language

The number of correct statements from the following is ___________.

A. For $$1 \mathrm{s}$$ orbital, the probability density is maximum at the nucleus

B. For $$2 \mathrm{s}$$ orbital, the probability density first increases to maximum and then decreases sharply to zero.

C. Boundary surface diagrams of the orbitals encloses a region of $$100 \%$$ probability of finding the electron.

D. p and d-orbitals have 1 and 2 angular nodes respectively.

E. probability density of p-orbital is zero at the nucleus

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