Chemistry Test ...

A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g. of CO2. The empirical formula of the hydrocarbon is:

Of the following sets which one does NOT contain isoelectronic species?

Which one of the following has largest ionic radius?

Hybridisation of the underline atom changes in:

For 1 mol of an ideal gas at a constant temperature T, the plot of (log P) against (log V) is a (P : Pressure, V : Volume)

The standard enthalpies of formation of  and glucose(s) at 25°C are –400 kJ/mol, –300 kJ/mol and –1300 kJ/mol, respectively. The standard enthalpy of combustion per gram of glucose at 25°C is

In a saturated solution of the sparingly soluble strong electrolyte AgIO₃ (molecular mass = 283) the equilibrium which sets is  If the solubility product constant Ksp of AgIO₃ at a given temperature is  what is the mass of  contained in 100 ml of its saturated solution?

H₂S acts only as a reducing agent while SO₂ can act both as a reducing and oxidizing agent because

Which of the following statements in relation to the hydrogen atom is correct?

The melting point of lithium (181°C) is just double the melting point of sodium (98°C) because