Chemistry of Mn and Cr Compounds NCERT Exercise Based MCQs The d and f Block Elements Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

1(current)

The correct reactions among the following are:

$a .$ ${MnO}_{4}^{-} + H^{+} + {Fe}^{2 +} \to 2 {Mn}^{2 +} + {Fe}^{3 +} + H_{2} O$
$b .$ $C_{2} O_{4}^{2 -} + {MnO}_{4}^{-} + H^{+} \to {Mn}^{2 +} + H_{2} O + {CO}_{2}$
$c .$ ${SO}_{2} + {MnO}_{4}^{-} + H^{+} \to {Mn}^{2 +} + H_{2} O + {SO}_{3}$

1.	a and c	2.	b and c
3.	a and b	4.	a, b and c

Subtopic: Chemistry of Mn and Cr Compounds |

To view explanation, please take trial in the course below.

NEET 2025 - Target Batch

To view explanation, please take trial in the course below.

NEET 2025 - Target Batch

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

The reaction(s) involved in the preparation of potassium dichromate from iron chromite ore is/are:

1.	FeCr₂O₄+ NaOH + O₂→ Na₂CrO₄ + Fe₂O₃ + H₂O
2.	Na₂CrO₄+ H₂SO₄ (conc.) → Na₂Cr₂O₇+ Na₂SO₄+ H₂O
3.	Na₂Cr₂O₇+ KCl→ K₂Cr₂O₇ + NaCl
4.	All of the above.

Subtopic: Chemistry of Mn and Cr Compounds |

To view explanation, please take trial in the course below.

NEET 2025 - Target Batch

To view explanation, please take trial in the course below.

NEET 2025 - Target Batch

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

1(current)

Q. No.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

Add Note

Add Note

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions