List of top Chemistry Questions on Inorganic chemistry

Which of the following does not correctly represent the order of the property indicated against it?

Which one of the following is the correct statement?

Identify the INCORRECT statement.

Choose the incorrect statement.

Which of the following is an amphoteric oxide?

Gas produced when copper reacts with dilute HNO₃: Nitric oxide (NO)

Which of the following pair of species have different Lewis structures? (A) \( \mathrm{SO_3^{2-}, CO_3^{2-}} \)
(B) \( \mathrm{O_2^{2-}, F_2} \)
(C) \( \mathrm{CN^- , CO} \)
(D) \( \mathrm{NH_3, H_3O^+} \)
(E) \( \mathrm{MnO_4^- , CrO_4^{2-}} \)

Which of the following is a soft metal?

Among the following species, identify the pair having same bond order \( CN^{-} \), \( O_{2}^{-} \), \( NO^{+} \), \( CN^{+} \):

In \( PO_4^{3-} \), the formal charge on each oxygen atom and the P - O bond order respectively are

Given below are some of the statements about Mn and \( Mn_2O_7 \). Identify the correct statements.
A. Mn forms the oxide \( Mn_2O_7 \), in which Mn is in its highest oxidation state.
B. Oxygen stabilizes the Mn in higher oxidation states by forming multiple bonds with Mn.
C. \( Mn_2O_7 \) is an ionic oxide.
D. The structure of \( Mn_2O_7 \) consists of one bridged oxygen.
Choose the correct answer from the options given below :

Match columns:

Consider the statements related to group 15 hydrides.
(A) Stability of hydrides decreases down the group.
(B) Reducing nature of hydrides increases down the group.
(C) Lone pair donating tendency increases down the group.
(D) H–E–H bond angle decreases down the group.

Statement I: d-Block elements utilize their only 3d electrons for bonding on the surface of catalyst.
Statement II: This leads to strengthening of bonds in the reacting molecules.

Match List - I with List - II.

Choose the correct answer from the options given below :

Consider \(|x|\) is the difference in oxidation states of Mn in highest manganese fluoride and highest manganese oxide. The ions with \(|x|\) number of unpaired electrons from the following are:
A. \(Sc^{3+}\)
B. \(Zn^{2+}\)
C. \(V^{2+}\)
D. \(Fe^{2+}\)
E. \(Co^{2+}\)
Choose the correct answer from the options given below:

Match the LIST-I with LIST-II

Match the column-I with column-II Column-I & & Column-II
(A) Aniline & & (P) Hinsberg reagent
(B) Benzaldehyde & & (Q) Tollen's reagent
(C) Phenol & & (R) Lucas reagent
(D) Isopropanol & & (S) Phthalein dye test
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If \(|x|\) represents the difference in maximum oxidation state possible for Mn in its oxide and in its fluoride. Among the following ions, which ions contain unpaired electrons equal to \(|x|\). (A) \(Zn^{2+}\) (B) \(Fe^{2+}\) (C) \(Co^{2+}\) (D) \(V^{2+}\) (E) \(Sc^{3+}\)

Consider the following complex compounds (A) \([Ni(NH_3)_6]^{2+}\) (B) \([NiCl_4]^{2-}\) (C) \([Ni(en)_3]^{2+}\) The number of unpaired electrons in A, B and C respectively and order of frequency of absorbed radiation among A, B and C is:

Which of the following ion forms a precipitate on addition of \(NH_4OH\) and \(H_2S\)?

Consider the following elements. Hf \([Z = 72]\) ; Yb \([Z = 70]\) ; Lu \([Z = 71]\) Gd \([Z = 64]\) ; Eu \([Z = 63]\) ; Tm \([Z = 69]\) Dy \([Z = 66]\) ; Er \([Z = 68]\) A : [Hf, Yb] B : [Gd, Eu] C : [Lu, Tm] D : [Er, Dy] The pair which contains same number of \(f\) electrons.

Element ‘M’ of group 13 has same electronegativity as Ge. Consider the statements (A) \(M^{3+}\) is good oxidizing agent (B) \(M^{3+}\) is good reducing agent (C) \(E^\circ_{M^{3+}/M} > 0\) (D) \(M^{3+}\) is more stable than \(M^{+}\) Which of the following is correct?

Compare the C–O bond length in the following compounds (a) \(CH_3{-}CO{-}CH_3\) (b) Benzaldehyde type structure (c) \(CH_3{-}COO^{-}\) Compare C–O bond length.