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Glucose + $x$ Phenyl hydrazine $\rightarrow$ Osazone. '$x$' will be:
Which one of the following represents all isoelectronic species?
What is the maximum numbers of electrons that can be associated with the following set of quantum numbers? n=3, l = 1 and m=-1
Which is the correct order of increasing energy of the listed orbitals in the atom of titanium?
The ions O²⁻, F⁻, Na⁺, Mg²⁺, and Al³⁺ are isoelectronic. Their ionic radii show:
The number of orbitals indicated by the following set of quantum numbers, $n = 3, l = 2, m = +2$ is:
Which of the following molecule/ion is not paramagnetic:
The value of Planck's constant is $6.63 \times 10^{-34} \text{ J s}$. The velocity of light is $3.0 \times 10^8 \text{ m s}^{-1}$. The closest value to the wavelength in nanometers of a quantum of light with a frequency of $8 \times 10^{15} \text{ s}^{-1}$ is:
What is the correct family and electronic configuration for element Z = 114?
The number of electrons that can be fit into the orbital for which n = 3 and l = 1 is:
Calculate the energy in Joule corresponding to light of wavelength 45 nm: (Planck's constant h = 6.63 × 10⁻³⁴ Js; speed of light c = 3 × 10⁸ ms⁻¹)
The total number of atomic orbitals in fourth energy level of an atom is:
The number of d-electrons in Fe²⁺ (Z=26) is not equal to the number of electrons in which one of the following?
The number of protons, neutrons and electrons in $^{175}_{71}\text{Lu}$, respectively, are:
In hydrogen atom, what is the de Broglie wavelength of an electron in the second Bohr orbit? [Given that Bohr radius, $a_0 = 52.9$ pm]
According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?
Which one of the following does not exhibit the phenomenon of mutarotation?
In the Hydrogen atom, the energy of the first excited state is – 3.4 eV. Then find out the kinetic energy (K.E.) of the same orbit of the Hydrogen atom:
If the principal quantum number n=6, the correct sequence of filling of electrons will be:
Which one of the following compounds is a peroxide?