CBSE-CLASS-XII SERIES Chemistry
Inorganic Chemistry
16 previous year questions.
Volume: 16 Ques
Yield: Medium
High-Yield Trend
16
2025 Chapter Questions 16 MCQs
01
PYQ 2025
medium
chemistry ID: cbse-cla
How do you prepare from ?
02
PYQ 2025
medium
chemistry ID: cbse-cla
Why do transition elements have high enthalpies of atomisation?
03
PYQ 2025
easy
chemistry ID: cbse-cla
Why does Vanadium pentoxide (V2O5) act as a catalyst?
04
PYQ 2025
medium
chemistry ID: cbse-cla
Write the formula of an oxoanion of chromium in which it shows the oxidation state equal to its group number.
05
PYQ 2025
easy
chemistry ID: cbse-cla
What is ‘Misch metal’? Give its one use.
06
PYQ 2025
medium
chemistry ID: cbse-cla
What happens when:
(I) The manganate ion undergoes disproportionation reaction in acidic medium?
(II) KMnO4 is heated?
(I) The manganate ion undergoes disproportionation reaction in acidic medium?
(II) KMnO4 is heated?
07
PYQ 2025
medium
chemistry ID: cbse-cla
Account for the following:
(I)Orange colour of ion changes to yellow when treated with an alkali.
(II) Zn, Cd and Hg are non-transition elements.
(III) value for couple is highly positive (+1.57 V) as compared to .
(I)Orange colour of ion changes to yellow when treated with an alkali.
(II) Zn, Cd and Hg are non-transition elements.
(III) value for couple is highly positive (+1.57 V) as compared to .
08
PYQ 2025
medium
chemistry ID: cbse-cla
Give explanation for each of the following observations:
(a) With the same d orbital configuration, Mn ion is an oxidizing agent whereas Cr ion is a reducing agent.
(b) Atomic contraction is greater from element to element than much from lanthanides.
(c) Transition metals form large number of interstitial compounds with H, B, C, and N.
(a) With the same d orbital configuration, Mn ion is an oxidizing agent whereas Cr ion is a reducing agent.
(b) Atomic contraction is greater from element to element than much from lanthanides.
(c) Transition metals form large number of interstitial compounds with H, B, C, and N.
09
PYQ 2025
easy
chemistry ID: cbse-cla
PCl , 2KCl does not give precipitate of AgCl with AgNO solution. Write the structural formula and IUPAC name of the complex.
10
PYQ 2025
easy
chemistry ID: cbse-cla
Assertion (A): Cuprous salts are diamagnetic.
Reason (R): Cuprous ion has completely filled 3d-orbitals.
Reason (R): Cuprous ion has completely filled 3d-orbitals.
11
PYQ 2025
easy
chemistry ID: cbse-cla
What amount of electric charge is required for the reduction of 1 mole of MnO into Mn ?
12
PYQ 2025
easy
chemistry ID: cbse-cla
The product of the oxidation of I with MnO in alkaline medium is:
13
PYQ 2025
easy
chemistry ID: cbse-cla
Out of the following statements, the incorrect statement is:
14
PYQ 2025
medium
chemistry ID: cbse-cla
Out of Fe , Sc , Cr and Co ions, the one which is colourless in aqueous solution is:
1
Sc
2
Fe
3
Cr
4
Co
15
PYQ 2025
easy
chemistry ID: cbse-cla
While doing qualitative analysis in chemistry lab, Abhishek added yellow coloured potassium chromate solution into a test tube. He was surprised to see the colour of the solution changing immediately to orange. He realised that the test tube was not clean and contained a few drops of some liquid. Which of the following substances will be the most likely liquid to be present in the test tube before adding potassium chromate solution?
1
Sodium hydrogen carbonate solution
2
Methyl orange solution
3
Sodium hydroxide solution
4
HCl solution
16
PYQ 2025
medium
chemistry ID: cbse-cla
In which of the following groups are both ions coloured in aqueous solution?
1
Cu+ , Ti4+
2
Co2+, Fe2+
3
Cu+ , Fe2+
4
Co2+, Ti4+