If the pH of a solution is 4, then its OH⁻ concentration is
If the pH of a solution is 4, then its OH⁻ concentration is Options (a) 10⁻¹⁴ (b) 10 x 10⁻⁵…
8 years ago
Questions
The property,which can be classified as an intensive property, is
The property,which can be classified as an intensive property, is Options (a) volume (b) mass (c) heat capacity (d) temperature…
8 years ago
If heat of formation of C + O₂ → 2CO is ΔH = -110.5 kcal,then heat of combustion
If heat of formation of C + O₂ → 2CO is ΔH = -110.5 kcal,then heat of combustion of carbon…
8 years ago
Intermolecular hydrogen bond exists in
Intermolecular hydrogen bond exists in Options (a) ortho-nitrophenol (b) ethyl alcohol (c) water (d) diethyl ether Correct Answer: ortho-nitrophenolExplanation:No explanation…
8 years ago
Polarisation power of a cation increases,when
Polarisation power of a cation increases,when Options (a) charge of the cation increases (b) size of the cation increases (c)…
8 years ago
In a period, the elements are arranged in strict sequence of
In a period, the elements are arranged in strict sequence of Options (a) increasing charge in the nucleus (b) equal…
8 years ago
Which of the following is the most electropositive element
Which of the following is the most electropositive element Options (a) Phosphorous (b) Magnesium (c) Aluminium (d) Sulphur Correct Answer:…
8 years ago
Electronic configuration of deuterium atom is
Electronic configuration of deuterium atom is Options (a) 1s¹ (b) 2s² (c) 2s¹ (d) 1s² Correct Answer: 1s¹ Explanation: Atomic…
8 years ago
The most probable radius (in pm) for finding the electron in He⁺ is
The most probable radius (in pm) for finding the electron in He⁺ is Options (a) 0 (b) 52.9 (c) 26.5…
8 years ago
If 18g of water is electrolysed then volume of oxygen obtained at STP is
If 18g of water is electrolysed then volume of oxygen obtained at STP is Options (a) 11.2 L (b) 2.8…
8 years ago