Hydrogen and Redox Reactions Archives - Page 6 of 18

A 6 volume sample of H₂O₂ Options (a) will contain 6% V/V of H₂O₂ (b) will contain 6% W/V of…

7 years ago

Which of the following pairs of substance on reaction will not evolve H₂ gas Options (a) Copper and HCl (aqueous)…

7 years ago

Predict the product of reaction of I₂ with H₂O₂ in basic medium Options (a) I⁻ (b) I₂O₃ (c) IO₃⁻ (d)…

7 years ago

In solid ice, oxygen atom is surrounded Options (a) tetrahedrally by 4 hydrogen atoms (b) octahedrally by 2 oxygen and…

7 years ago

The mixture of concentrated HCl and HNO₃ made in 3:1 ratio contains Options (a) ClO₂ (b) NOCl (c) NCl₃ (d)…

7 years ago

The reagent commonly used to determine hardness of water titrimetrically is Options (a) oxalic acid (b) disodium salt of EDTA…

7 years ago

Which of the following reaction produces hydrogen Options (a) Mg + H₂O (b) H₂S₄O₈ + H₂O (c) BaO₂ + HCl…

7 years ago

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…

7 years ago

Which of the following metals reacts with water Options (a) Copper (b) Nickel (c) Sodium (d) Silver Correct Answer: SodiumExplanation:No…

7 years ago

Deuterium nucleus contains Options (a) 1p + 1n (b) 2p + 0n (c) 1p + 1e⁻ (d) 2p + 2n…

7 years ago