For electron affinity of halogens, which of the following is correct?
For electron affinity of halogens, which of the following is correct? Options (a) Br > F (b) F > Cl…
7 years ago
Easy
Which of these have no unit?
Which of these have no unit? Options (a) Electronegativity (b) Electron affinity (c) Ionisation energy (d) All of these Correct…
7 years ago
In TeCl₄, the central atom tellurium involves
In TeCl₄, the central atom tellurium involves Options (a) sp³-hybridisation (b) sp³d-hybridisation (c) sp³d²-hybridisation (d) dsp²-hybridisation Correct Answer: dsp²-hybridisationExplanation:No explanation…
7 years ago
Structure of ICl₂⁻ is
Structure of ICl₂⁻ is Options (a) trigonal (b) octahedral (c) square planar (d) distorted trigonal pyraminal Correct Answer: distorted trigonal…
7 years ago
The electron was shown experimentally to have wave properties by
The electron was shown experimentally to have wave properties by Options (a) de Broglie (b) Davisson and Germer (c) N.…
7 years ago
The elements having the electronic configuration [Kr] 4d¹°f¹⁴,5s² p⁶d²,6s² belongs
The elements having the electronic configuration [Kr] 4d¹°f¹⁴,5s² p⁶d²,6s² belongs to Options (a) s-block (b) p-block (c) d-block (d) f-block…
7 years ago
In which block, 106th element belongs?
In which block, 106th element belongs? Options (a) s-block (b) p-block (c) d-block (d) f-block Correct Answer: d-blockExplanation:Element, unnilhexium (Unh)₁o₆,…
7 years ago
An ion has 18 electrons in the outermost shell, it is
An ion has 18 electrons in the outermost shell, it is Options (a) Cu⁺ (b) Th⁴⁺ (c) Cs⁺ (d) K⁺…
7 years ago
Copper occurs naturally as Cu-63 and Cu-65. Given Atomic Weight
Copper occurs naturally as Cu-63 and Cu-65. Given Atomic Weight of Carbon is 63.546, Which isotope is more abundant? Options…
7 years ago
What is the nature of the bond between B and O in (C₂H₅)₂ OBH₃?
What is the nature of the bond between B and O in (C₂H₅)₂ OBH₃? Options (a) Covalent (b) Coordinate Covalent…
7 years ago