Related InterviewSolutions

• Which one of the following sets of ions represents the collection of isoelectronic species?A. `K^(+)Cl^(-),Mg^(2-),Sc^(3+)`B. `Na^(+),Ca^(2+),Sc^(3+),F^(-)`C. `K^(+),Ca^(2+),Sc^(3+),Cl^(-)`D. `Na^(+),Mg^(2+),Al^(3+),Cl`
• Which of the following sets of quantum numbers represents an impossible arrangement?A. `3,2,-2,+(1)/(2)`B. `4,0,0,+(1)/(2)`C. `3,2,-3+(1)/(2)`D. `5,3,0,+(1)/(2)`
• In ground state of phoosphorous atom (Z=15) , the numbers occupied sub- shells and occupied orbitals are respectilty :A. 3,3B. 5,9C. 5,5D. 3,6
• which of the following is an impossible set of quantum number ?A. `n=3,l=2,m=0,s=+(1)/(2)`B. `n=3,l=2,m=-2,s=+(1)/(2)`C. `n=3,l=2,m=-3,s=+(1)/(2)`D. `n=3,l=2,m=-1,s=-(1)/(2)`
• which of the following statement are correct about orbitals ?A. A large number of orbitals are possible in an atomB. Orbitals can be distguished by their size shape and orientationC. An orbital of smaller size means their is more chance of finding it near the nucleusD. shape and orientation means that there is more probability of finding the electrons along certain direction than along others
• The correct option regarding size of orbitals is :A. `2pgt3pgt4pgt5p`B. `2p=3plt4p=5p`C. `2plt3plt4plt5p`D. `2p=3p=4p=5p`
• Which of the following set of quantum numbers is not viliad ?A. `n=3,l=2,m=2,s=+(1)/(2)`B. `n=2,l=0,m=0,s=-(1)/(2)`C. `n=4,l=2,m=-1,s=+(1)/(2)`D. `n=4,l=3,m=4,s=-(1)/(2)`
• Number of nodal plane (S) present in s,`p_(x),P_(y) p_(z)` are respecticvely:A. 0,1,1,1B. 0,2,1,1C. 0,2,2,2D. 0,0,0,0
• the ground state valence shell electrons configuration of nitrogen atom can be represnted as :A. B. C. D.
• which fo the following orbitals have at least one common nodal plane ?A. `p_(z)and d_(xz)`B. `d_(x^(2)-y^(2))and s`C. `d_(x^(2)-y^(2))and d_(xy)`D. `d_(z^(2))and p_(z)`