Which of the following species contains equal number of σ- and π-bonds
Options
(a) XeO₄ (b) (CN)₂ (c) CH₂(CN)₂ (d) HCO₃⁻
Correct Answer:
XeO₄
Explanation:
No explanation available. Be the first to write […]
Maximum bond angle at nitrogen is present in which of the following
Options
(a) NO₂⁻ (b) NO₂⁺ (c) NO₃⁻ (d) NO₂
Correct Answer:
NO₂⁺
Explanation:
NO₂⁺ has sp hybridisation so it is linear with […]
Which of the following pairs of ions are isoelectronic and isostructural
Options
(a) CIO₃⁻,CO₃²⁻ (b) SO₃²⁻,NO₃⁻ (c) CIO₃⁻,SO₃²⁻ (d) CO₃²⁻,SO₃²⁻
Correct Answer:
CIO₃⁻,SO₃²⁻
Explanation:
ClO₃⁻ and SO₃⁻ ² both have same number of electrons […]
The correct bond order in the following species is
Options
(a) O₂²⁺ < O₂⁻ < O₂⁺ (b) O₂⁺ < O₂⁻ < O₂²⁺ (c) O₂⁻ < O₂⁺ < O₂²⁺ (d) O₂²⁺ < O₂⁺ < O₂⁻
The species Ar,K⁺ and Ca²⁺ contain the same number of electrons.In which order do their radii increase
Options
(a) Ca²⁺ < Ar < K⁺ (b) Ca²⁺ < K⁺ < Ar (c) K⁺ < Ar […]
A mixture of gases contains H₂ and O₂ gases in the ratio of 1:4(w/w).What is the molar ratio of the two gases in the mixture
Options
(a) 04:01:00 (b) 16:01:00 (c) 02:01:00 (d) […]
Which one of the following esters gets hydrolysde most easily under alkaline conditions
Options
(a)
(b)
(c)
(d)
Correct Answer:
(d)
Explanation:
No explanation available. Be the first to […]
Which of the following reaction(s) can be used for the preparation of alkyl halides? anh.ZnCl₂ (I)CH₃CH₂OH + HCl → (II)CH₃CH₂OH + HCl → (III)(CH₃)₃COH + HCl → (IV)(CH₃)₂CHOH + HCl →
Options
(a) […]
Which of the following is not the product of dehydration of
Options
(a)
(b)
(c)
(d)
Correct Answer:
(a)
Explanation:
No explanation available. Be the first to write the […]
The hybridization involved in complex [Ni(CN)₄]²⁻ is (At.No.Ni = 28)
Options
(a) sp³ (b) d²sp² (c) d²sp³ (d) dsp²
Correct Answer:
dsp²
Explanation:
No explanation available. Be the first to write the explanation […]
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