Multiple choice question
Multiple choice question Multiple choice question
De–Broglie equation is– (a) hv = mc 2 (b) λ = h — mc 2— (c) λ = h — mv —, h — p 8 (d) None of these 4 fuEu esa ls dkSu lk bySDVªkfud foU;kl vkWQckm fu;e ds vuqlkj ugha gS& Which one electronic configuration is not as per Aufbau’s principle– (a) 1s 2 , 2s 2 p (b) [Kr], 4d 10 , 5s 2 (c) [Ar], 3d 10 , 4s 1 (d) [Ar] 3d 4 , 4s 2 5 leLFkkfudksa esa fdldh la[;k leku gksrh gSA (a) izksVku rFkk bysDVªku (b) U;wVªku rFkk izksVku (c) U;wfDyvkWu (d) izksVku rFkk U;wVªku In isotopes whose number are same– (a) Protone and electron (b) Neutron and proton (c) Nucleon (d) Protone and neutron 6 pqEcdh; DokaVe la[;k lEcfU/kr gS& (a) ifjek.k ls (b) vkdkj ls (c) vfHkfoU;kl ls (d) pØ.k ls The magnetic quantum number is related to– (a) Magnitude (b) Size (c) Configuration (d) Spin 7 ;fn n=3 rc l ds eku gksxs& (a) 0, 1, 2 (b) +2, +1, 0, –1, –2 (c) 0, 1, 2, 3 (d) buesa ls dksbZ ugha If n=3, then value of l will be– (a) 0, 1, 2 (b) +2, +1, 0, –1, –2 (c) 0, 1, 2, 3 (d) None of these 8 vkWQckm fl)kUr ds vuqlkj 4d ds ckn bySDVªku miyC/k gksus ij Hkjs tk;saxs& (a) 5f esa (b) 5p esa (c) 3d esa (d) buesa ls dksbZ ugha
According to Aufbau principle electrons after 4d, if available will be filled in– (a) 5f (b) 5p (c) 3d (d) None of these 9 Cr +3 dk bySDVªWkfud foU;kl gksxk& (a) 1s 2 , 2s 2 p 6 , 3s 2 p 5 , d 4 (b) 1s 2 , 2s 2 p 6 , 3s 2 p 6 d 3 (c) 1s 2 , 2s 2 p 6 , 3s 2 p 6 , d 7 (d) buesa ls dksbZ ugha Electronic configuration of Cr +3 will be– (a) 1s 2 , 2s 2 p 6 , 3s 2 p 5 , d 4 (b) 1s 2 , 2s 2 p 6 , 3s 2 p 6 d 3 (c) 1s 2 , 2s 2 p 6 , 3s 2 p 6 , d 7 (d) None of these 10 Cl – dk bySDVªWkfud foU;kl gksxk& (a) 1s 2 , 2s 2 p 6 , 3s 2 p 5 (b) 1s 2 , 2s 2 p 6 , 3s 2 p 6 d 1 (c) 1s 2 , 2s 2 p 6 , 3s 2 p 6 (d) buesa ls dksbZ ugha Electronic configuration of Cl –3 will be– (a) 1s 2 , 2s 2 p 6 , 3s 2 p 5 (b) 1s 2 , 2s 2 p 6 , 3s 2 p 6 d 1 (c) 1s 2 , 2s 2 p 6 , 3s 2 p 6 (d) None of these 11 Na + rFkk Ne rRo ds e/; leku gksaxh& (a) bysDVªku dh la[;k (b) izksVku dh la[;k (c) U;wVªku dh la[;k (d) ijek.kq nzO;eku Na + ion and Ne element will have same– (a) Number of electrons (b) Number of protones (c) Number of neutrons (d) Atomic mass 12 ;fn fdlh ijek.kq esa n=3 rFkk l=2 gS] rc m ds fy;s laHkkfor eku gksaxs& (a) 2 – 1 = 1 & 3 + 2 = 5 (b) +2, +1, ±0, –1, –2 (c) +½ and –½ (d) buesa ls dksbZ ugh The value an atom is n=3 and l=2, then value of m will be– (a) 2 – 1 = 1 & 3 + 2 = 5 (b) +2, +1, ±0, –1, –2 (c) +½ and –½ (d) None of these 9
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De–Broglie equation is–<br />
(a) hv = mc 2 (b) λ = h — mc 2—<br />
(c) λ = h — mv —, h — p<br />
8<br />
(d) None of these<br />
4 fuEu esa ls dkSu lk bySDVªkfud foU;kl vkWQckm fu;e ds vuqlkj ugha gS&<br />
Which one electronic configuration is not as per Aufbau’s principle–<br />
(a) 1s 2 , 2s 2 p (b) [Kr], 4d 10 , 5s 2<br />
(c) [Ar], 3d 10 , 4s 1 (d) [Ar] 3d 4 , 4s 2<br />
5 leLFkkfudksa esa fdldh la[;k leku gksrh gSA<br />
(a) izksVku rFkk bysDVªku (b) U;wVªku rFkk izksVku<br />
(c) U;wfDyvkWu (d) izksVku rFkk U;wVªku<br />
In isotopes whose number are same–<br />
(a) Protone and electron (b) Neutron and proton<br />
(c) Nucleon (d) Protone and neutron<br />
6 pqEcdh; DokaVe la[;k lEcfU/kr gS&<br />
(a) ifjek.k ls (b) vkdkj ls (c) vfHkfoU;kl ls (d) pØ.k ls<br />
The magnetic quantum number is related to–<br />
(a) Magnitude (b) Size (c) Configuration (d) Spin<br />
7 ;fn n=3 rc l ds eku gksxs&<br />
(a) 0, 1, 2 (b) +2, +1, 0, –1, –2<br />
(c) 0, 1, 2, 3 (d) buesa ls dksbZ ugha<br />
If n=3, then value of l will be–<br />
(a) 0, 1, 2 (b) +2, +1, 0, –1, –2<br />
(c) 0, 1, 2, 3 (d) None of these<br />
8 vkWQckm fl)kUr ds vuqlkj 4d ds ckn bySDVªku miyC/k gksus ij Hkjs tk;saxs&<br />
(a) 5f esa (b) 5p esa (c) 3d esa (d) buesa ls dksbZ ugha
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