PYQ Vault
EbooksTutor

Properties of manganate and permanganate ions (geometry, magnetism, colour)

This type of question, asked 3 times: 27 Jul 2022, 24 Jan 2026 S2, 28 Jan 2026 S2. All 3 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    27 Jul 2022

    41
    Given below are two statements: Statement I: Iron (III) catalyst, acidified K2Cr2O7K_{2}Cr_{2}O_{7} and neutral KMnO4KMnO_{4} have the ability to oxidise I−I^{-}to I2I_{2} independently. Statement II: Manganate ion is paramagnetic in nature and involves pπ−pπp\pi - p\pi bonding. In the light of the above statements, choose the correct answer from the options.

    Tap an option to check your answer.

  2. Question 2

    24 Jan 2026 S2

    44
    " X " is an oxoanion of the lightest element of group 7 (in the periodic table). The metal is in +6 oxidation state in " X ". The color of the potassium salt of X is

    Tap an option to check your answer.

  3. Question 3

    28 Jan 2026 S2

    32
    Consider the following statements about manganate and permanganate ions. Identify the correct statements : (A) The geometry of both manganate and permanganate ions is tetrahedral. (B) The oxidation states of Mn in manganate and permanganate are +7 and +6 , respectively. (C) Oxidation of Mn (II) salt by peroxodisulphate gives manganate ion as the final product. (D) Manganate ion is paramagnetic and permanganate ions is diamagnetic. (E) Acidified permanganate ion reduces oxalate, nitrite and iodide ions. Choose the correct answer from the options given below.

    Tap an option to check your answer.