1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is formed when $$\mathrm{SO}_3$$ is absorbed by concentrated $$\mathrm{H}_2 \mathrm{SO}_4$$ ?

A
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_8$$
B
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_3$$
C
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_7$$
D
$$\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_5$$
2
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Assertion (A) Transition metals and their complexes show catalytic activity.

Reason (R) The activation energy of a reaction is lowered by the catalyst.

A
Both A and R are correct and R is the correct explanation of A.
B
Both A and R are correct but R is not the correct explanation of A.
C
A is correct but R is incorrect.
D
A is incorrect but R is correct.
3
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

The crystal field theory is successful in explaining which of the following?

I. Ligands as point charges.

II. Formation and structures of complexes.

III. Colour.

IV. Magnetic properties.

V. Covalent character of metal-ligand bonding.

A
I, II, III only
B
II, III, IV only
C
III, IV, V only
D
II, IV, V only
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

Pernicious anemia is caused due to deficiency of which vitamin ?

A
B12
B
B1
C
B6
D
B2
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