285223
The energy associated with first orbit is\(\mathrm{He}^{+}\)is
1 0 J
2 \(-8.72 \times 10^{-18} \mathrm{~J}\)
3 \(-4.58 \times 10^{-18} \mathrm{~J}\)
4 \(-0.545 \times 10^{-18} \mathrm{~J}\)
Explanation:
(b) \(\mathrm{E}_{\mathrm{n}}=-2.18 \times 10^{-18} \times\left(\frac{\mathrm{z}^2}{\mathrm{n}^2}\right) \mathrm{J}\)
\(\mathrm{E}_1=-2.18 \times 10^{-18} \times \frac{2^2}{1^2} \mathrm{~J}\)
\(\mathrm{E}=-8.72 \times 10^{-18} \mathrm{~J}\)
Energy anociated with first orbit of \(\mathrm{He}^{+}\)is \(-8.72 \times\) \(10^{-18} \mathrm{~J}\).
Karnataka CET 2024
CHEMISTRY(KCET)
285229
The orbital nearest to the nucleus is
1 \(4 f\)
2 \(5 d\)
3 \(4 s\)
4 \(7 p\).
Explanation:
(c)
Karnataka CET 2018
CHEMISTRY(KCET)
285228
Two particles\(A\) and \(B\) are in motion. If the wavelength associated with ' \(A\) ' is 33.33 nm , the wavelength associated with ' \(B\) ' whose momentum is \(1 / 3^{\text {rd }}\) of ' \(A\) ' is
285224
The number of protons, neutrons and electrons in the ion\({ }_{16}^{32} \mathrm{~s}^{2-}\) respectively are
1 \(16,18,16\)
2 \(16,16,18\)
3 \(18,16,16\)
4 \(16,16,16\)
Explanation:
(b) Atomic number \(=16\)
Number of protons \(=16\)
Number of electrons \(=16+2=18\)
Number of neutrons \(=32-16=18\)
Karnataka CET 2023
CHEMISTRY(KCET)
285225
If wavelength of photon is \(2.2 \times 10^{-11} \mathrm{~m}\) and \(h=6.6\) \(\times 10^{-34} \mathrm{~J} \mathrm{~s}\), then momentum of photon
285223
The energy associated with first orbit is\(\mathrm{He}^{+}\)is
1 0 J
2 \(-8.72 \times 10^{-18} \mathrm{~J}\)
3 \(-4.58 \times 10^{-18} \mathrm{~J}\)
4 \(-0.545 \times 10^{-18} \mathrm{~J}\)
Explanation:
(b) \(\mathrm{E}_{\mathrm{n}}=-2.18 \times 10^{-18} \times\left(\frac{\mathrm{z}^2}{\mathrm{n}^2}\right) \mathrm{J}\)
\(\mathrm{E}_1=-2.18 \times 10^{-18} \times \frac{2^2}{1^2} \mathrm{~J}\)
\(\mathrm{E}=-8.72 \times 10^{-18} \mathrm{~J}\)
Energy anociated with first orbit of \(\mathrm{He}^{+}\)is \(-8.72 \times\) \(10^{-18} \mathrm{~J}\).
Karnataka CET 2024
CHEMISTRY(KCET)
285229
The orbital nearest to the nucleus is
1 \(4 f\)
2 \(5 d\)
3 \(4 s\)
4 \(7 p\).
Explanation:
(c)
Karnataka CET 2018
CHEMISTRY(KCET)
285228
Two particles\(A\) and \(B\) are in motion. If the wavelength associated with ' \(A\) ' is 33.33 nm , the wavelength associated with ' \(B\) ' whose momentum is \(1 / 3^{\text {rd }}\) of ' \(A\) ' is
285224
The number of protons, neutrons and electrons in the ion\({ }_{16}^{32} \mathrm{~s}^{2-}\) respectively are
1 \(16,18,16\)
2 \(16,16,18\)
3 \(18,16,16\)
4 \(16,16,16\)
Explanation:
(b) Atomic number \(=16\)
Number of protons \(=16\)
Number of electrons \(=16+2=18\)
Number of neutrons \(=32-16=18\)
Karnataka CET 2023
CHEMISTRY(KCET)
285225
If wavelength of photon is \(2.2 \times 10^{-11} \mathrm{~m}\) and \(h=6.6\) \(\times 10^{-34} \mathrm{~J} \mathrm{~s}\), then momentum of photon
285223
The energy associated with first orbit is\(\mathrm{He}^{+}\)is
1 0 J
2 \(-8.72 \times 10^{-18} \mathrm{~J}\)
3 \(-4.58 \times 10^{-18} \mathrm{~J}\)
4 \(-0.545 \times 10^{-18} \mathrm{~J}\)
Explanation:
(b) \(\mathrm{E}_{\mathrm{n}}=-2.18 \times 10^{-18} \times\left(\frac{\mathrm{z}^2}{\mathrm{n}^2}\right) \mathrm{J}\)
\(\mathrm{E}_1=-2.18 \times 10^{-18} \times \frac{2^2}{1^2} \mathrm{~J}\)
\(\mathrm{E}=-8.72 \times 10^{-18} \mathrm{~J}\)
Energy anociated with first orbit of \(\mathrm{He}^{+}\)is \(-8.72 \times\) \(10^{-18} \mathrm{~J}\).
Karnataka CET 2024
CHEMISTRY(KCET)
285229
The orbital nearest to the nucleus is
1 \(4 f\)
2 \(5 d\)
3 \(4 s\)
4 \(7 p\).
Explanation:
(c)
Karnataka CET 2018
CHEMISTRY(KCET)
285228
Two particles\(A\) and \(B\) are in motion. If the wavelength associated with ' \(A\) ' is 33.33 nm , the wavelength associated with ' \(B\) ' whose momentum is \(1 / 3^{\text {rd }}\) of ' \(A\) ' is
285224
The number of protons, neutrons and electrons in the ion\({ }_{16}^{32} \mathrm{~s}^{2-}\) respectively are
1 \(16,18,16\)
2 \(16,16,18\)
3 \(18,16,16\)
4 \(16,16,16\)
Explanation:
(b) Atomic number \(=16\)
Number of protons \(=16\)
Number of electrons \(=16+2=18\)
Number of neutrons \(=32-16=18\)
Karnataka CET 2023
CHEMISTRY(KCET)
285225
If wavelength of photon is \(2.2 \times 10^{-11} \mathrm{~m}\) and \(h=6.6\) \(\times 10^{-34} \mathrm{~J} \mathrm{~s}\), then momentum of photon
285223
The energy associated with first orbit is\(\mathrm{He}^{+}\)is
1 0 J
2 \(-8.72 \times 10^{-18} \mathrm{~J}\)
3 \(-4.58 \times 10^{-18} \mathrm{~J}\)
4 \(-0.545 \times 10^{-18} \mathrm{~J}\)
Explanation:
(b) \(\mathrm{E}_{\mathrm{n}}=-2.18 \times 10^{-18} \times\left(\frac{\mathrm{z}^2}{\mathrm{n}^2}\right) \mathrm{J}\)
\(\mathrm{E}_1=-2.18 \times 10^{-18} \times \frac{2^2}{1^2} \mathrm{~J}\)
\(\mathrm{E}=-8.72 \times 10^{-18} \mathrm{~J}\)
Energy anociated with first orbit of \(\mathrm{He}^{+}\)is \(-8.72 \times\) \(10^{-18} \mathrm{~J}\).
Karnataka CET 2024
CHEMISTRY(KCET)
285229
The orbital nearest to the nucleus is
1 \(4 f\)
2 \(5 d\)
3 \(4 s\)
4 \(7 p\).
Explanation:
(c)
Karnataka CET 2018
CHEMISTRY(KCET)
285228
Two particles\(A\) and \(B\) are in motion. If the wavelength associated with ' \(A\) ' is 33.33 nm , the wavelength associated with ' \(B\) ' whose momentum is \(1 / 3^{\text {rd }}\) of ' \(A\) ' is
285224
The number of protons, neutrons and electrons in the ion\({ }_{16}^{32} \mathrm{~s}^{2-}\) respectively are
1 \(16,18,16\)
2 \(16,16,18\)
3 \(18,16,16\)
4 \(16,16,16\)
Explanation:
(b) Atomic number \(=16\)
Number of protons \(=16\)
Number of electrons \(=16+2=18\)
Number of neutrons \(=32-16=18\)
Karnataka CET 2023
CHEMISTRY(KCET)
285225
If wavelength of photon is \(2.2 \times 10^{-11} \mathrm{~m}\) and \(h=6.6\) \(\times 10^{-34} \mathrm{~J} \mathrm{~s}\), then momentum of photon
285223
The energy associated with first orbit is\(\mathrm{He}^{+}\)is
1 0 J
2 \(-8.72 \times 10^{-18} \mathrm{~J}\)
3 \(-4.58 \times 10^{-18} \mathrm{~J}\)
4 \(-0.545 \times 10^{-18} \mathrm{~J}\)
Explanation:
(b) \(\mathrm{E}_{\mathrm{n}}=-2.18 \times 10^{-18} \times\left(\frac{\mathrm{z}^2}{\mathrm{n}^2}\right) \mathrm{J}\)
\(\mathrm{E}_1=-2.18 \times 10^{-18} \times \frac{2^2}{1^2} \mathrm{~J}\)
\(\mathrm{E}=-8.72 \times 10^{-18} \mathrm{~J}\)
Energy anociated with first orbit of \(\mathrm{He}^{+}\)is \(-8.72 \times\) \(10^{-18} \mathrm{~J}\).
Karnataka CET 2024
CHEMISTRY(KCET)
285229
The orbital nearest to the nucleus is
1 \(4 f\)
2 \(5 d\)
3 \(4 s\)
4 \(7 p\).
Explanation:
(c)
Karnataka CET 2018
CHEMISTRY(KCET)
285228
Two particles\(A\) and \(B\) are in motion. If the wavelength associated with ' \(A\) ' is 33.33 nm , the wavelength associated with ' \(B\) ' whose momentum is \(1 / 3^{\text {rd }}\) of ' \(A\) ' is
285224
The number of protons, neutrons and electrons in the ion\({ }_{16}^{32} \mathrm{~s}^{2-}\) respectively are
1 \(16,18,16\)
2 \(16,16,18\)
3 \(18,16,16\)
4 \(16,16,16\)
Explanation:
(b) Atomic number \(=16\)
Number of protons \(=16\)
Number of electrons \(=16+2=18\)
Number of neutrons \(=32-16=18\)
Karnataka CET 2023
CHEMISTRY(KCET)
285225
If wavelength of photon is \(2.2 \times 10^{-11} \mathrm{~m}\) and \(h=6.6\) \(\times 10^{-34} \mathrm{~J} \mathrm{~s}\), then momentum of photon