1
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Which will undergo deprotonation most readily in the basic medium?

JEE Main 2023 (Online) 24th January Evening Shift Chemistry - Basics of Organic Chemistry Question 45 English

A
a only
B
Both a and c
C
c only
D
b only
2
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Which of the following cannot be explained by crystal field theory?

A
The order of spectrochemical series
B
Stability of metal complexes
C
Magnetic properties of transition metal complexes
D
Colour of metal complexes
3
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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Correct statement is :

A
An average human being consumes more food than air
B
An average human being consumes 100 times more air than food
C
An average human being consumes nearly 15 times more air than food
D
An average human being consumes equal amount of food and air
4
JEE Main 2023 (Online) 24th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Identify the correct statements about alkali metals.

A. The order of standard reduction potential (M$$^+$$ | M) for alkali metal ions is Na > Rb > Li.

B. CsI is highly soluble in water.

C. Lithium carbonate is highly stable to heat.

D. Potassium dissolved in concentrated liquid ammonia is blue in colour and paramagnetic.

E. All the alkali metal hydrides are ionic solids.

Choose the correct answer from the options given below :

A
C and E only
B
A and E only
C
A, B, D only
D
A, B and E only
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