Chemistry

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…

The ion that is isoelectronic with CO is

The ion that is isoelectronic with CO is Options (a) CN⁻ (b) O₂⁺ (c) O₂⁻ (d) N₂⁺ Correct Answer: CN⁻Explanation:We…

The species having maximum stability is

The species having maximum stability is Options (a) CN⁺ (b) CN (c) CN⁻ (d) NO Correct Answer: CN⁻Explanation:In CN⁺, CN,…

The correct order of increasing bond angles in the following species is

The correct order of increasing bond angles in the following species is Options (a) Cl₂O < ClO₂ < ClO₂⁻ (b)…