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

To which group of the periodic table does an element having electronic configuration [Ar] 3d$$^5$$ 4s$$^2$$ belong?

A
Second
B
Fourth
C
Seventh
D
Third
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Given that ionisation potential and electron gain enthalpy of chlorine are 13eV and 4 eV respectively. The electronegativity of chlorine on Mulliken scale, approximately equals to

A
8.5 eV
B
6.0 eV
C
3.0 eV
D
1.5 eV
3
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
4
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following will have maximum dipole moment?

A
NF$$_3$$
B
NCl$$_3$$
C
NBr$$_3$$
D
NH$$_3$$
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