Ozone is formed in the upper atmosphere from oxygen by the action of
Ozone is formed in the upper atmosphere from oxygen by the action of Options (a) ultraviolet rays (b) cosmic rays…
7 years ago
Chemistry
Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are
Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are Options (a) -1, -1, 0 , 1 (b)…
7 years ago
The common oxidation state shown by lanthanides in their compounds is
The common oxidation state shown by lanthanides in their compounds is Options (a) ⁺1 (b) ⁺3 (c) ⁺5 (d) ⁺6…
7 years ago
If P is pressure and D is density of a gas, then P and D are related as
If P is pressure and D is density of a gas, then P and D are related as Options (a)…
7 years ago
Gem-dihalides are hydrolysed with either acid or basic catalysts to give
Gem-dihalides are hydrolysed with either acid or basic catalysts to give Options (a) aldehydes or ketones (b) halohydrins (c) carboxylic…
7 years ago
What is the general outer electronic configuration of the coinage metals?
What is the general outer electronic configuration of the coinage metals? Options (a) ns², np⁶ (b) (n-1)d¹⁰, ns¹ (c) (n-1)d¹⁰,…
7 years ago
The silver salt of a fatty acid on refluxing with an alkyl halide gives an
The silver salt of a fatty acid on refluxing with an alkyl halide gives an Options (a) acid (b) ester…
7 years ago
The reaction of which of the following compounds would yield secondary amine
The reaction of which of the following compounds would yield secondary amine Options (a) Alkyl nitrile (b) carbylamine (c) primary…
7 years ago
The gas which combin with haemoglobin to damage its oxygen carrying capacity is
The gas which combin with haemoglobin to damage its oxygen carrying capacity is Options (a) co (b) CO₂ (c) N₂…
7 years ago
Which of the following is obdained when acetone is treated with bleaching powder
Which of the following is obdained when acetone is treated with bleaching powder Options (a) CCl₄ (b) CHCl₃ (c) CH₂Cl₂…
7 years ago