Set of isoelectronic species is
Set of isoelectronic species is Options (a) N₂,CO₂,CN⁻,O (b) N, H₂S, CO (c) N₂,CO,CN⁻,O₂⁺² (d) Cl,Mg,Ca Correct Answer: N₂,CO,CN⁻,O₂⁺² Explanation:…
7 years ago
Memory
Which of the following is non-permissible?
Which of the following is non-permissible? Options (a) n=4, l=3, m=0 (b) n=4, l=2, m=1 (c) n=4, l=4, m=1 (d)…
7 years ago
For which one of the following sets of four quantum numbers, an electron will have
For which one of the following sets of four quantum numbers, an electron will have the highest energy?n=3, l=2, m=1,…
7 years ago
Which of the following sets has strongest tendency to form anions ?
Which of the following sets has strongest tendency to form anions ? Options (a) Ga, In, Tl (b) Na, Mg,…
7 years ago
Which of the following is not permissible arrangement of electrons in an atom?
Which of the following is not permissible arrangement of electrons in an atom? Options (a) n = 5, l =…
7 years ago
Which one of the following ions will be the smallest in size?
Which one of the following ions will be the smallest in size? Options (a) Na⁺ (b) Mg²⁺ (c) F⁻ (d)…
7 years ago
Which of the following pairs has both members from the same group of periodic
Which of the following pairs has both members from the same group of periodic table? Options (a) Mg-Ba (b) Mg-Cu…
7 years ago
The orientation of an atomic orbital is governed by
The orientation of an atomic orbital is governed by Options (a) Spin quantum number (b) Magnetic quantum number (c) Principal…
7 years ago
When two atoms of chlorine combine to form one molecule of chlorine gas
When two atoms of chlorine combine to form one molecule of chlorine gas, the energy of molecule Options (a) equal…
7 years ago
Alkali metals in each period have
Alkali metals in each period have Options (a) smallest size (b) lower ionisation potential (c) highest ionisation potential (d) highest…
7 years ago