The inert gas abundantly found in atmosphere is
The inert gas abundantly found in atmosphere is
Options
(a) He (b) Ne (c) Ar (d) Kr
Correct Answer:
Ar
Explanation:
No explanation available. Be the first to write the explanation for this […]
P Block Elements in Group 15
The electronic configuration of a noble gas is
The electronic configuration of a noble gas is
Options
(a) 1s² 2s² 2p⁶3s² (b) 1s² 2s² 2p⁶ (c) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² (d) 1s² 2s² 2p⁶3s¹
Correct Answer:
1s² 2s² 2p⁶
Which of the following is more acidic in nature
Which of the following is more acidic in nature
Options
(a) HClO (b) HClO₂ (c) HClO₃ (d) HClO₄
Correct Answer:
HClO₄
Explanation:
No explanation available. Be the first to write the explanation for […]
An important product in the ozone depletion by chlorofluorocarbons is
An important product in the ozone depletion by chlorofluorocarbons is
Options
(a) Cl₂ (b) OF₂ (c) OCl (d) O₂F₂
Correct Answer:
O₂F₂
Explanation:
No explanation available. Be the first to write the explanation […]
Which of the following element,has the same oxidation state in all of its com.
Which of the following element, has the same oxidation state in all of its compounds
Options
(a) Oxygen (b) Hydrogen (c) Carbon (d) Fluorine
Correct Answer:
Fluorine
Explanation:
Fluorine is the most electronegative […]
Which of the following is a strong acid
Which of the following is a strong acid
Options
(a) HF (b) HCl (c) HBr (d) HI
Correct Answer:
HI
Explanation:
No explanation available. Be the first to write the explanation for this […]
The element with positive electron gain enthalpy is
The element with positive electron gain enthalpy is
Options
(a) neon (b) sodium (c) oxygen (d) fluorine
Correct Answer:
neon
Explanation:
No explanation available. Be the first to write the explanation for this […]
Pick out the stronger reducing agent among the following oxyacids of phosphorus
Pick out the stronger reducing agent among the following oxyacids of phosphorus
Options
(a) hypophosphorous acid (b) phosphorous acid (c) hypophosphoric acid (d) pyrophosphorous acid
Correct Answer:
hypophosphorous acid
Explanation:
Reducing agent reduces […]
Which one of the following statements about halogens is correct
Which one of the following statements about halogens is correct
Options
(a) F₂ has lower bond dissociation energy than Cl₂ (b) The electron affinities are in the order F > Cl > Br […]
Chlorine dioxide is best prepared by passing dry
Chlorine dioxide is best prepared by passing dry
Options
(a) chlorine gas over hot HgO (b) chlorine and oxygen gas over hot Pt catalyst (c) hydrogen chloride and oxygen over silver oxide (d) […]