EASY
JEE Main/Advance
IMPORTANT
Earn 100

Chlorine on reaction with hot and concentrated sodium hydroxide gives.

80% studentsanswered this correctly

Important Questions on Redox Reactions

HARD
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-3>Q 35
Amongst the following identify the species with an atom with +6 oxidation state.
MEDIUM
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-3>Q 36
In the standardization of Na2S2O3 using K2Cr2O7 by iodometry, the equivalent weight of K2Cr2O7 is:
HARD
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-3>Q 38
Consider the following list of reagents: Acidified K2Cr2O7, alkaline KMnO4, CuSO4, H2O2, Cl2, O3, FeCl3, HNO3. The total number of reagents that can oxidise aqueous iodide to iodine are 
MEDIUM
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-3>Q 39
Number of electrons transferred in each case when KMnO4 acts as an oxidising agent to give MnO2, Mn2+,Mn(OH)3 and MnO42- are, respectively:
MEDIUM
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-3>Q 40
Which one of the following exhibits the largest number of oxidation states?
MEDIUM
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-3>Q 41
The oxidation states of Cr in CrH2O6Cl3, CrC6H62 and K2Cr(CN)2O22(O)2NH3 respectively are:
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-4>Q 1
Which of the following elements can have negative oxidation states.
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Chemistry>Chapter 6 - Redox Reactions>Exercise-4>Q 2
The oxidation state of Cr in K2Cr2O7 is