A 6 volume sample of H₂O₂
A 6 volume sample of H₂O₂
Options
(a) will contain 6% V/V of H₂O₂ (b) will contain 6% W/V of H₂O₂ (c) would give 6 volumes of oxygen per unit volume of H₂O₂ […]
Hydrogen and Redox Reactions
Which of the following pairs of substance on reaction will not evolve H₂ gas
Which of the following pairs of substance on reaction will not evolve H₂ gas
Options
(a) Copper and HCl (aqueous) (b) Iron and steam (c) Iron and H₂SO₄ (aqueous) (d) Sodium and ethyl […]
Predict the product of reaction of I₂ with H₂O₂ in basic medium
Predict the product of reaction of I₂ with H₂O₂ in basic medium
Options
(a) I⁻ (b) I₂O₃ (c) IO₃⁻ (d) I₃⁻
Correct Answer:
I⁻
Explanation:
No explanation available. Be the first to write […]
In solid ice, oxygen atom is surrounded
In solid ice, oxygen atom is surrounded
Options
(a) tetrahedrally by 4 hydrogen atoms (b) octahedrally by 2 oxygen and 4 hydrogen atoms (c) tetrahedrally 2 hydrogen and 2 oxygen atoms (d) octahedrally […]
The mixture of concentrated HCl and HNO₃ made in 3:1 ratio contains
The mixture of concentrated HCl and HNO₃ made in 3:1 ratio contains
Options
(a) ClO₂ (b) NOCl (c) NCl₃ (d) N₂O₄
Correct Answer:
NOCl
Explanation:
No explanation available. Be the first to write […]
The reagent commonly used to determine hardness of water titrimetrically is
The reagent commonly used to determine hardness of water titrimetrically is
Options
(a) oxalic acid (b) disodium salt of EDTA (c) sodium citrate (d) sodium thiosulphate
Correct Answer:
disodium salt of EDTA
Explanation: […]
Which of the following reaction produces hydrogen
Which of the following reaction produces hydrogen
Options
(a) Mg + H₂O (b) H₂S₄O₈ + H₂O (c) BaO₂ + HCl (d) Na₂O₂ + 2HCl
Correct Answer:
Mg + H₂O
Explanation:
No explanation available. […]
The volume of 3.0 N-H₂O₂ strength is
The volume of 3.0 N-H₂O₂ strength is
Options
(a) 16.8 litres (b) 4.2 litres (c) 33.6 litres (d) 8.4 litres
Correct Answer:
16.8 litres
Explanation:
No explanation available. Be the first to write […]
Which of the following metals reacts with water
Which of the following metals reacts with water
Options
(a) Copper (b) Nickel (c) Sodium (d) Silver
Correct Answer:
Sodium
Explanation:
No explanation available. Be the first to write the explanation for this […]
Deuterium nucleus contains
Deuterium nucleus contains
Options
(a) 1p + 1n (b) 2p + 0n (c) 1p + 1e⁻ (d) 2p + 2n
Correct Answer:
1p + 1n
Explanation:
Deuterium,an isotope of hydrogen, is ₁H². Thus, it […]