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 know that ions which have the same number of electrons are […]
Memory
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, CN⁻ and NO bond orders are 2, 2.5, 3 and 2.5 […]
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) ClO₂ < Cl₂O < ClO₂⁻ (c) Cl₂O < ClO₂⁻ < ClO₂ (d) ClO₂⁻ […]
Which one of the following oxides is expected to exhibit paramagnetic behaviour?
Which one of the following oxides is expected to exhibit paramagnetic behaviour?
Options
(a) CO₂ (b) SiO₂ (c) SO₂ (d) ClO₂
Correct Answer:
ClO₂
Explanation:
It is because of odd number of electrons […]
Which of the following species has four lone pairs of electrons?
Which of the following species has four lone pairs of electrons?
Options
(a) I (b) O⁻ (c) Cl⁻ (d) He
Correct Answer:
Cl⁻
Explanation:
No explanation available. Be the first to write the […]
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is :
Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is :
Options
(a) Ca < Mg < P< Cl (b) Mg < Ca < Cl < P (c) […]
Which one of the following elements has the maximum electron affinity?
Which one of the following elements has the maximum electron affinity?
Options
(a) F (b) Cl (c) Br (d) I
Correct Answer:
Cl
Explanation:
Chlorine hasmaximum electron affinity. Fluorine although have highest electronegativity […]
Which of the following is a pair of isoelectronic species?
Which of the following is a pair of isoelectronic species?
Options
(a) Cl₂O₃, ICl₂⁻ (b) ICl₂⁻, CIO₂ (c) IF₂⁺, I₃⁻ (d) CIO₂⁻, CIF₂⁺
Correct Answer:
CIO₂⁻, CIF₂⁺
Explanation:
Number of electrons in CIO₂⁻ […]
An organic compound containing C, H, N gave the following analysis
An organic compound containing C, H, N gave the following analysis: C=40%; H=13.33%; N=46.67%. Its empirical formula would be
Options
(a) C₂H₇N₂ (b) CH₅N (c) CH₄N (d) C₂H₇N
Correct Answer:
CH₄N
Explanation:
At […]
Considering the state of hybridization of carbon atoms, find out the molecule
Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear?
Options
(a) CH₃-CH=CH-CH₃ (b) CH₃-C≡C-CH₃ (c) CH₂=CH-CH₂-C≡CH (d) CH₃-CH₂-CH₂-CH₃
Correct Answer:
CH₃-C≡C-CH₃
Explanation:
sp³ sp […]