The ratio of area covered by second orbital to the first orbital is
The ratio of area covered by second orbital to the first orbital is Options (a) 1 : 2 (b) 1…
7 years ago
Easy
The maximum number of molecules is present in
The maximum number of molecules is present in Options (a) 15 L of H₂ gas at STP (b) 5L of…
7 years ago
Amount of calcium oxide required, when it reacts with 852 g of P₄O₁₀ is
Amount of calcium oxide required, when it reacts with 852 g of P₄O₁₀ is Options (a) 100g (b) 1008g (c)…
7 years ago
A sp³ – hybrid orbital contains
A sp³ - hybrid orbital contains Options (a) 1/4 s-character (b) 1/2 s-character (c) 3/4 s-character (d) Any of these…
7 years ago
If uncertainty in position and momentum are equal, then uncertainty in velocity
If uncertainty in position and momentum are equal, then uncertainty in velocity is : Options (a) 1/2m x √(h/π) (b)…
7 years ago
The number of atoms in 0.1 mol of a triatomic gas is (Na = 6.02 x 10²³ mol⁻¹)
The number of atoms in 0.1 mol of a triatomic gas is (Na = 6.02 x 10²³ mol⁻¹) Options (a)…
7 years ago
An aqueous solution of glucose is 10% in strength. The volume in which 1g mole
An aqueous solution of glucose is 10% in strength. The volume in which 1 g mole of it is dissolved…
7 years ago
The weight of one molecule of a compound C₆₀H₁₂₂ is
The weight of one molecule of a compound C₆₀H₁₂₂ is Options (a) 1.2 x 10⁻²° gram (b) 1.4 x 10⁻²¹…
7 years ago
If 1 mL of water contains 20 drops then number of molecules in a drop of water
If 1 mL of water contains 20 drops then number of molecules in a drop of water is Options (a)…
7 years ago
The number of oxygen atoms in 4.4g of CO₂ is
The number of oxygen atoms in 4.4g of CO₂ is Options (a) 1.2 x 10²³ (b) 6 x 10²² (c)…
7 years ago