1
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
The bond angles in the following molecules decreases in the order. $\mathrm{BF}_3, \mathrm{NH}_3, \mathrm{PF}_3$ and $\mathrm{XeF}_2$
A
$\mathrm{NH}_3>P F_3>X e F_2>B F_3$
B
$\mathrm{XeF}_2>\mathrm{BF}_3>\mathrm{NH}_3>\mathrm{PF}_3$
C
$\mathrm{BF}_3>\mathrm{NH}_3>\mathrm{XeF}_2>\mathrm{PF}_3$
D
$P F_3>B F_3>N H_3>X e F_2$
2
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Arrange the following in the increasing order of their covalent character.

$\mathrm{CaF}_2 ; \mathrm{CaCl}_2 ; \mathrm{CaBr}_2 ; \mathrm{CaI}_2$

A
$\mathrm{CaF}_2<\mathrm{CaI}_2<\mathrm{CaBr}_2<\mathrm{CaCl}_2$
B
$\mathrm{CaF}_2<\mathrm{CaCl}_2<\mathrm{CaI}_2<\mathrm{CaBr}_2$
C
$\mathrm{CaCl}_2<\mathrm{CaF}_2<\mathrm{CaBr}_2<\mathrm{CaI}_2$
D
$\mathrm{CaF}_2<\mathrm{CaCl}_2<\mathrm{CaBr}_2<\mathrm{CaI}_2$
3
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
Given are 4 pairs of covalent molecules. Identify the pair in which both molecules have the same shape.
A
$\mathrm{XeF}_2 ~\&~ \mathrm{HgCl}_2$
B
$\mathrm{BF}_3~ \& ~\mathrm{NH}_3$
C
$\mathrm{XeF} 4 ~\& ~\mathrm{SF}_4$
D
$\mathrm{BrF}_5 ~\& ~\mathrm{PCl}_5$
4
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

From among the 4 given compounds identify the compounds which possess a net dipole moment.

A. cis-1,2-Dichloroethene

B. Tetrachloromethane

C. o-Dichlorobenzene

D. trans 2,3-Dibromobut-2-ene

A
A and D
B
D and B
C
A and C
D
B and C
COMEDK Subjects
EXAM MAP