From the colligative properties of solution which one is the best method for the determination of molecular weight of proteins and polymers
Options
(a) osmotic pressure (b) lowering in vapour pressure (c) lowering […]
Equivalent conductances of Ba²⁺ and Cl⁻ ions are 127 and 76 ohm⁻¹ cm⁻¹ eq⁻¹ respectively. Equivalent conductance of BaCl₂ at infinite dilution is
Options
(a) 139.5 (b) 101.5 (c) 203 (d) 279
Correct […]
Cation and anion combines in a crystal to form following types of compound
Options
(a) ionic (b) metallic (c) covalent (d) dipole-dipole
Correct Answer:
ionic
Explanation:
No explanation available. Be the first to […]
Average molar kinetic energy of CO and N₂ at same temperature is
Options
(a) KE₁ = KE₂ (b) KE₁ > KE₂ (c) KE₁ < KE₂ (d) can’t say anything. Both volumes are not […]
Reduction by LiAlH₄ of hydrolysed product of an ester gives
Options
(a) two alcohols (b) two aldehyde (c) one acid and one alcohol (d) two acids
Correct Answer:
two alcohols
Explanation:
No explanation […]
α-D-glucose and β-D-glucose are
Options
(a) epimers (b) anomers (c) enantiomers (d) diastereomers
Correct Answer:
anomers
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Ethyl benzoate can be prepared from benzoic acid by using
Options
(a) ethyl alcohol (b) ethyl alcohol and dry HCl (c) ethyl chloride (d) sodium ethoxide
Correct Answer:
ethyl alcohol and dry HCl
Which one of the following method, is commonly used method for destruction of colloid
Options
(a) dialysis (b) condensation (c) filteration by animal membrane (d) by adding electrolyte
Correct Answer:
by adding electrolyte
Shape of Fe(CO)₅ is
Options
(a) Octahedral (b) square planar (c) trigonal bipyramidal (d) square pyramidal
Correct Answer:
trigonal bipyramidal
Explanation:
No explanation available. Be the first to write the explanation for this […]
An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min. The torque that it delivers is
Options
(a) 350 Nm (b) 440 Nm (c) 531 Nm (d) 628 Nm
2017 Copyright Doctor Dreams Training Academy