Which one of the following is the heaviest
Which one of the following is the heaviest Options (a) One molecule of oxygen (b) One molecule of Sulphur trioxide…
7 years ago
Basic Concepts of Chemistry
Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic
Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic weight will be Options…
7 years ago
The number of valence electrons in 4.2g of N³⁻ ion is
The number of valence electrons in 4.2g of N³⁻ ion is Options (a) 1.6 x Avagadro's number (b) 2.6 x…
7 years ago
The volume of water to be added to N/2 HCl to prepare 500 cm³ of N/10 solution is
The volume of water to be added to N/2 HCl to prepare 500 cm³ of N/10 solution is Options (a)…
7 years ago
The volume of water to be added to 100 cm³ of 0.5 N H₂SO₄ to get decinormal
The volume of water to be added to 100 cm³ of 0.5 N H₂SO₄ to get decinormal concentration is Options…
7 years ago
The amount of zinc required to produce 224mL of H₂ at STP on treatment with dilute H₂SO₄
The amount of zinc required to produce 224mL of H₂ at STP on treatment with dilute H₂SO₄ will be Options…
7 years ago
Molar volume of CO₂ is maximum at
Molar volume of CO₂ is maximum at Options (a) NTP (b) 0⁰C and 2.0 atm (c) 127⁰C and 1 atm…
7 years ago
If 0.2g of an organic compound containing carbon, hydrogen, and oxygen on combustion
If 0.2g of an organic compound containing carbon, hydrogen, and oxygen on combustion, yielded 0.147g carbon dioxide and 0.12g water,…
7 years ago
Copper occurs naturally as Cu-63 and Cu-65. Given Atomic Weight
Copper occurs naturally as Cu-63 and Cu-65. Given Atomic Weight of Carbon is 63.546, Which isotope is more abundant? Options…
7 years ago
An organic compound containing C, H, N gave the following analysis
An organic compound containing C, H, N gave the following analysis: C=40%; H=13.33%; N=46.67%. Its empirical formula would be Options…
7 years ago