1
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In neutral or alkaline solution, $$\mathrm{MnO}_{4}^{-}$$ oxidises thiosulphate to :

A
$$\mathrm{S}_{2} \mathrm{O}_{7}^{2-}$$
B
$$\mathrm{S}_{2} \mathrm{O}_{8}^{2-}$$
C
$$\mathrm{SO}_{3}^{2-}$$
D
$$\mathrm{SO}_{4}^{2-}$$
2
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Low oxidation state of metals in their complexes are common when ligands :

A
have good $$\pi$$-accepting character
B
have good $$\sigma$$-donor character
C
are having good $$\pi$$-donating ability
D
are having poor $$\sigma$$-donating ability
3
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Given below are two statements:

Statement I : The non bio-degradable fly ash and slag from steel industry can be used by cement industry.

Statement II : The fuel obtained from plastic waste is lead free.

In the light of the above statements, choose the most appropriate answer from the options given below :

A
Both Statement I and Statement II are correct
B
Both Statement I and Statement II are incorrect
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
4
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The structure of A in the given reaction is :

JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English

A
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 1
B
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 2
C
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 3
D
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 50 English Option 4
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