Basic Concepts of Chemistry

An organic compound containing C, H and O gave the following analysis

An organic compound containing C, H and O gave the following analysis: C=40%; H=6.66%; Its empirical formula would be Options…

A bromoalkane contains 35% carbon and 6.57% hydrogen by mass. Calculate the empirical

A bromoalkane contains 35% carbon and 6.57% hydrogen by mass. Calculate the empirical formula of this bromoalkane. Options (a) CH₂Br…

1 c.c N₂O at NTP contains

1 c.c N₂O at NTP contains Options (a) (1.8/224) x 10²² atoms (b) (6.02/22400) x 10²³ molecules (c) (1.32/224) x…

100 mL each of 0.5 N NaOH, N/5 HCl and N/10 H₂SO₄ are mixed together

100 mL each of 0.5 N NaOH, N/5 HCl and N/10 H₂SO₄ are mixed together. The resulting solution will be…

What is the weight of oxygen required for the complete combusion of 2.8 kg of ethylene?

What is the weight of oxygen required for the complete combusion of 2.8 kg of ethylene? Options (a) 2.8 kg…

Which has the maximum number of molecules among the following

Which has the maximum number of molecules among the following Options (a) 44 g CO₂ (b) 48 g O₃ (c)…

A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained

A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained. Residue left(assuming non…

A mixture contains O₂ and N₂ in the ratio of 1 : 4 by the weight

A mixture contains O₂ and N₂ in the ratio of 1 : 4 by the weight. The ratio of their…

Ratio of Cᵥ and Cᵥ of the gas X is 1.4. The number of atoms of the gas X present

Ratio of Cᵥ and Cᵥ of the gas X is 1.4. The number of atoms of the gas X present…

Gram molecular volume of oxygen at STP is

Gram molecular volume of oxygen at STP is Options (a) 3200 cm³ (b) 5600 cm³ (c) 22400 cm³ (d) 11200…