The extra amount of energy, which the molecules of the reactants have to absorb, so that their energy becomes equal to the threshold energy, is called
Options
(a) kinetic energy (b) potential energy […]
Azeotropic mixture of HCl and H₂O has
Options
(a) 36% HCl (b) 48% HCl (c) 20.2% HCl (d) 22.2% HCl
Correct Answer:
20.2% HCl
Explanation:
No explanation available. Be the first to write […]
Arrange the following in increasing order of acidity H₃PO₄ , H₂CO₃ , HCl , HI
Options
(a) H₂CO₃ < H₃PO₄ < HCl < HI (b) H₃PO₄ < HCl < H₂CO₃ < HI (c) […]
Which of the following statements is not true about alcohols
Options
(a) Lower alcohols have fiery taste and strong smell (b) As molecular mass increases the boiling point increases (c) Lower alcohols are […]
How much quick lime can be obtained from 25g of CaCO₃?
Options
(a) 56 g (b) 14 g (c) 60 g (d) 28 g
Correct Answer:
14 g
Explanation:
No explanation available. Be […]
Which of the following shows geometrical isomerism
Options
(a) propene (b) 1-butene (c) 1,1-dichlorobutane (d) 2-butene
Correct Answer:
2-butene
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following is not efflorescent?
Options
(a) NaOH (b) CuSO₄ (c) MgSO₄ (d) Hydrated CuSO₄
Correct Answer:
Hydrated CuSO₄
Explanation:
No explanation available. Be the first to write the explanation for […]
Number of isomers of C₄H₁₀ is
Options
(a) 4 (b) isomerism not exist (c) 3 (d) 2
Correct Answer:
2
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following is correct relationship
Options
(a) ΔG = ΔH – TΔS (b) ΔG = ΔH + TΔS (c) ΔG + ΔH = TΔS (d) ΔH = ΔG – TΔS
Correct […]
In the commercial gasolines, the type of hydrocarbons which are more desirable is
Options
(a) linear unsaturated hydrocarbon (b) branched hydrocarbon (c) toluene (d) straight-chain hydrocarbon
Correct Answer:
branched hydrocarbon
Explanation:
knocking property […]
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