At standard state Gibb’s free energy change for isomerization reaction cis-2-pentene⇌trance-2-pentene is -3.67 kJ/mol at 400K. If more trans-2-pentene is added to the reaction vessel then
Options
(a) equilibrium remains unaffected (b) equilibrium is […]
In liquid-gas equilibrium,the pressure of vapours above the liquid is constant at
Options
(a) constant temperature (b) low temperature (c) high temperature (d) none of these
Correct Answer:
constant temperature
Explanation:
No […]
The solubility of AgCl will be minimum in
Options
(a) 0.01 M CaCl₂ (b) pure water (c) 0.001 M AgNO₃ (d) 0.01 M NaCl
Correct Answer:
0.01 M CaCl₂
Explanation:
No explanation available. […]
The pH value of a 10 M solution of HCl is
Options
(a) equal to 1 (b) equal to 2 (c) less than o (d) equal to 0
Correct Answer:
less than o
The pH value of blood does not appreciably change by a small addition of an acid or a base,because the blood
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(a) can be easily coagulated (b) contains iron as a part […]
Aluminium (III) chloride forms a dimer because aluminium
Options
(a) belongs to 3rd group (b) can have higher coordination number (c) cannot form a trimer (d) has high ionization energy
Correct Answer:
can […]
Identify the correct statement:
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(a) Plaster of paris can be obtained by hydration of gypsum (b) Plaster of paris is obtained by partical oxidation of gypsum (c) Gypsum contains a lower percentage […]
According to Raoult’s law, the relative lowering of vapour pressure for a solution is equal to
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(a) mole fraction of solute (b) mole fraction of solvent (c) moles of solute (d) moles […]
The oxide,which can not act as a reducing agent, is
Options
(a) CO₂ (b) ClO₂ (c) NO₂ (d) SO₂
Correct Answer:
CO₂
Explanation:
No explanation available. Be the first to write the explanation […]
An ideal gas, obeying kinetic theory of gases can not be liquefied, because
Options
(a) it solidifies before becoming a liquid (b) forces acting between its molecules are negligible (c) its critical temperature […]
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