1
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Choose the correct option regarding the following statements

Statement 1 Nitrogen has lesser electron gain enthalpy than oxygen.

Statement 2 Oxygen has lesser ionisation enthalpy than nitrogen.

A
Statement 1 is correct but statement 2 is incorrect.
B
Both statements 1 and 2 are incorrect.
C
Both statements 1 and 2 are correct.
D
Statement 1 is incorrect but statement 2 is correct.
2
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Among the given configurations, identify the element which does not belong to the same family as the others?

A
$$[\mathrm{Ne}] 3 s^2 3 p^5$$
B
$$[\mathrm{Ar}] 3 d^{10} 4 s^2$$
C
$$[\mathrm{Kr}] 4 d^{10} 5 \mathrm{~s}^2$$
D
$$[\mathrm{Xe}] 4 f^{14} 5 d^{10} 4 s^2$$
3
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which statements among the following are correct about helium?

(i) Liquid helium is used to sustain powerful superconducting magnets.

(ii) Liquid helium is useful to carry low temperature experiments.

(iii) It is a heavy gas.

(iv) It is a flammable gas.

A
(i) and (ii)
B
(ii) and (iii)
C
(i) and (iv)
D
(iii) and (iv)
4
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following represents the correct order of increasing electron gain enthalpy with negative sign for the elements?

1. Nitrogen (N) 2. Phosphorus (P) 3. Chlorine (Cl) 4. Fluorine (F)

A
P < N < F < Cl
B
N < P < F < Cl
C
Cl < F < P < N
D
F < Cl < N < P
AP EAPCET Subjects
EXAM MAP