Chemistry

The variation of the boiling points of the hydrogen halides is in the order

The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr >…

The vacant space in bcc lattice unit cell is

The vacant space in bcc lattice unit cell is Options (a) 48.00% (b) 23.00% (c) 32.00% (d) 26.00% Correct Answer:…

The sum of coordination number and oxidation number of the metal M in the complex

The sum of coordination number and oxidation number of the metal M in the complex [M(en)₂(C₂O₄)]Cl (where en is ethylenediamine)…

The stability of +1 oxidation state among Al, Ga, In, and TI increases

The stability of +1 oxidation state among Al, Ga, In, and TI increases in the sequence Options (a) Al< Ga…

The rate constant of the reaction A → B is 0.6 ˣ 10⁻³ mol per second.

The rate constant of the reaction A → B is 0.6 ˣ 10⁻³ mol per second. If the concentration of…

The oxidation of benzene by V₂O₅ in the presence of air produces

The oxidation of benzene by V₂O₅ in the presence of air produces Options (a) maleic anhydride (b) benzoic acid (c)…

The name of complex ion, [Fe(CN)₆]³⁻ is

The name of complex ion, [Fe(CN)₆]³⁻ is Options (a) hexacyanitoferrate (III) ion (b) tricyanoferrate (III) ion (c) hexacyanidoferrate (III) ion…

The heat of combustion of carbon to CO₂ is -393.5 kJ/mol. The heat released

The heat of combustion of carbon to CO₂ is -393.5 kJ/mol. The heat released upon formation of 35.2 g of…

The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic

The Formation of the oxide ion, O²⁻ from oxygen atom requires first an exothermic and then an endothermic step as…

Strong reducing behaviour of H₃PO₂ is due to

Strong reducing behaviour of H₃PO₂ is due to Options (a) high electron gain enthalpy of phosphorus (b) high oxidation state…