Home / Aptitude Tests / Chemistry / In the reactions ...
In the reactions

(I) H2 (g) + 1/2O

In the reactions

(I) H2 (g) + 1/2O2(g) → H2O(l); ∆H = -286 KJ

(II) C(s) + O2g) → CO2 (g); ∆H = -406 KJ the equations imply that

A.

more heat is absorbed in (l)

B.

more heat is absorbed in (ll)

C.

less heat is evolved in (l)

D.

reaction (ll) proceeds faster than (l)

E.

reaction (l) proceeds faster than (ll)

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

See all Chemistry questions & answers
See more JAMB questions & answers
Similar Questions

What is the IUPAC name of CH3CCI=C(CH3)2?...

The oxidation number of X in \(XO_{4}^{3-}\) is...

Which of the following can be obtained by fractional distillation?  ...

In the electrolysis of a concentrated solution of sodium chloride using electrodes, which of the fol...

Which of the following pairs of elements has the greatest difference in electronegativity? ...

A sample of temporary hard water can be prepared in the laboratory by? ...

The following compounds will decompose on heating except ...

Atomic orbital is ...

The effect of the presence of impurities such as carbon and sulphur on iron is that they ...

In the upper atmosphere, the ultra-violet light breaks off a free chlorine atom from chlorofluorocar...

Aptitude Tests

Nigeria General Knowledge Questions and Answers

Puzzles Questions and Answers

Verbal Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Situational Judgement Questions and Answers

Personality Test

Microsoft Office Questions and Answers

Abstract Reasoning Questions and Answers

Data Interpretation Questions and Answers

Quantitative Reasoning Questions and Answers

Spatial Reasoning Questions and Answers

Typing Speed and Accuracy Test

Numerical Reasoning Questions and Answers

See all →