1
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The set of molecules among the following with zero dipole moment is $\mathrm{CCl}_4, \mathrm{BF}_3, \mathrm{CHCl}_3, \mathrm{CS}_2, \mathrm{NH}_3$,

1, 4-dichlorobenzene, $\mathrm{CO}_2$

A

$\mathrm{CO}_2, \mathrm{CS}_2, \mathrm{BF}_3, \mathrm{NH}_3, \mathrm{CHCl}_3$ only

B

$\mathrm{CCl}_4, \mathrm{BF}_3, \mathrm{CO}_2, \mathrm{CS}_2$, 1, 4-dichlorobenzene only

C

$\mathrm{CO}_2, \mathrm{CS}_2, 1,4$-dichlorobenzene only

D

$\mathrm{CO}_2, \mathrm{CS}_2$ only

2
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The correct pair of species which are not isostructural is

A

$\mathrm{PF}_6^{-}$and $\mathrm{SF}_6$

B

$\mathrm{IO}_3^{-}$and $\mathrm{XeO}_3$

C

$\mathrm{BH}_4^{-}$and $\mathrm{NH}_4^{+}$

D

$\mathrm{BrF}_5$ and $\mathrm{XeF}_4$

3
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The rate of diffusion of methane at 1.0 atm pressure is twice than that of another gas ' $X$ ' kept at 1.45 atm . The molecular mass of the gas ' $X$ ' is

A

64

B

32

C

28

D

21

4
TS EAMCET 2022 (Online) 20th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following gases has the maximum van der Waals' constant ' $a$ '?

A

$\mathrm{H}_2$

B

He

C

$\mathrm{CO}_2$

D

$\mathrm{NH}_3$

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