1
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the correct order of bond lengths in the following molecules?

I. $\mathrm{O}_2$

II. $\mathrm{O}_2^{+}$

III. $\mathrm{O}_2^{-}$

IV. $\mathrm{O}_2^{2-}$

A

III $>$ IV $>$ II $>$ I

B

III $>$ IV $>$ I $>$ II

C

IV $>$ III $>$ II $>$ I

D

IV $>$ III $>$ I $>$ II

2
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following compound is hypervalent?

A

$\mathrm{NO}_3^{-}$

B

$\mathrm{BF}_3$

C

$\mathrm{PCl}_5$

D

$\mathrm{CH}_4$

3
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the ratio of kinetic energy of 7 grams of nitrogen and 4 grams of oxygen at $T(\mathrm{~K})$ ?

A

$1: 2$

B

$2: 1$

C

$3: 1$

D

$4: 1$

4
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Equal amount of gases are kept in two separate containers. If densities of the two gases are in $1: 2$ ratio and their temperatures are in 2:1 ratio, calculate the ratio of their respective pressures.

A

$1: 1$

B

$1: 2$

C

$2: 1$

D

$4: 1$

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