Which of the following is low boiling liquid
Which of the following is low boiling liquid
Options
(a) HF (b) HCl (c) HBr (d) HI
Correct Answer:
HF
Explanation:
No explanation available. Be the first to write the explanation for this […]
P Block Elements in Group 15
In which of the following compounds, nitrogen exhibits highest oxidation state
In which of the following compounds, nitrogen exhibits highest oxidation state
Options
(a) N₂H₄ (b) NH₃ (c) N₃H (d) NH₂OH
Correct Answer:
N₃H
Explanation:
N₂H₄ ⇒ 2x + 4 (+1) = 0 ⇒ […]
Repeated use of which one of the following fertilizers would increase the
Repeated use of which one of the following fertilizers would increase the acidity of the soil
Options
(a) Ammonium sulphate (b) Superphosphate of lime (c) Urea (d) Potassium nitrate
Correct Answer:
Ammonium sulphate
Explanation: […]
Which of the statements given below is incorrect
Which of the statements given below is incorrect
Options
(a) O₃ molecules is bent (b) ONF is isoelectronic with O₂N⁻ (c) OF₂ is an oxide of fluorine (d) Cl₂O₇ is an anhydride of […]
The variation of the boiling points of the hydrogen halides is in the order
The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl. What explains the higher boiling point of hydrogen fluoride?
Options
(a) There […]
The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic
The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic and then an endothermic step as shown below: O(g) + e⁻ → O⁻(g) ; Δf H° = -141 kJ mol⁻¹ O⁻(g) […]
Strong reducing behaviour of H₃PO₂ is due to
Strong reducing behaviour of H₃PO₂ is due to
Options
(a) high electron gain enthalpy of phosphorus (b) high oxidation state of phosphorus (c) presence of two –OH groups and one P–H bond (d) […]
Nitrogen dioxide and sulphur dioxide have some properties in common.
Nitrogen dioxide and sulphur dioxide have some properties in common.Which property is shown by one of these compounds, but not by the other
Options
(a) is a reducing agent (b) is soluble in […]
Acidity of diprotic acids in aqueous solutions increases in the order
Acidity of diprotic acids in aqueous solutions increases in the order
Options
(a) H₂S < H₂Se < H₂Te (b) H₂Se < H₂S < H₂S (c) H₂Te < H₂S < H₂Se (d) H₂Se < […]
Which of the following displaces Br₂ from an aqueous solution containing bromide
Which of the following displaces Br₂ from an aqueous solution containing bromide ions
Options
(a) I₂ (b) I⁻₃ (c) Cl₂ (d) Cl⁻
Correct Answer:
Cl₂
Explanation:
No explanation available. Be the first to […]