Memory

Structure of ICl₂⁻ is

Structure of ICl₂⁻ is Options (a) trigonal (b) octahedral (c) square planar (d) distorted trigonal pyraminal Correct Answer: distorted trigonal…

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.…

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…

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,…

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⁺…

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…

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…

Which one of the following ions has electronic configuration[Ar] 3d⁶?

Which one of the following ions has electronic configuration[Ar] 3d⁶? (At. no: Mn=25, Fe=26, Co=27, Ni=28) Options (a) Ni³⁺ (b)…

The pair of species that has the same bond order in the following is:

The pair of species that has the same bond order in the following is: Options (a) O₂, B₂ (b) CO,…

Which of the following is isoelectronic?

Which of the following is isoelectronic? Options (a) CO2, NO₂ (b) NO₂⁻, CO₂ (c) CN⁻, CO (d) SO₂, CO₂ Correct…