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

Which of the following sequence is correct for decreasing order of ionic radius?

A

$\mathrm{I}^{-}>\mathrm{Se}^{2-}>\mathrm{Br}^{-}>\mathrm{O}^{2-}>\mathrm{F}^{-}$

B

$\mathrm{Se}^{2-}>\mathrm{I}^{-}>\mathrm{Br}^{-}>\mathrm{F}^{-}>\mathrm{O}^{2-}$

C

$\mathrm{I}^{-}>\mathrm{Se}^{2-}>\mathrm{O}^{2-}>\mathrm{Br}^{-}>\mathrm{F}^{-}$

D

$\mathrm{Se}^{2-}>\mathrm{I}^{-}>\mathrm{Br}^{-}>\mathrm{O}^{2-}>\mathrm{F}^{-}$

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

The successive ionisation energies (starting from the 1 st ) of an element are $801,2430,3660,25,000$ and $32,800 \mathrm{~kJ} \mathrm{~mol}^{-1}$, respectively. The element is

A

B

B

C

C

O

D

N

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

The compounds with $s p^2$ hybridised central atom among the following are

(A) $\mathrm{H}_2 \mathrm{CO}_3$

(B) $\mathrm{SiF}_4$

(C) $\mathrm{BF}_3$

(D) $\mathrm{HClO}_2$

A

A and C only

B

A and B only

C

C and D only

D

A, B, C and D

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

The hybridisation and shape of $I_3^{-}$ion, respectively, are

A

$s p^3 d^2$, distorted octahedral

B

$s p^3 d$, linear

C

$s p^3 d$, trigonal bipyramid

D

$d s p^3$, square pyramidal

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