1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following reactions is not an example for nucleophilic addition-elimination reaction?

A
CH3CHO + NH3 $$\rightleftharpoons$$ CH3CH = NH + H2O
B
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 16 English Option 2
C
CH3CHO + NH2OH $$\rightleftharpoons$$ CH3CH = N $$-$$ OH + H2O
D
CH3CHO + C6H5NHNH2 $$\rightleftharpoons$$ CH3CH = N $$-$$ NHC6H5 + H2O
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

The product formed from the following reaction sequence is

NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 15 English

A
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 15 English Option 1
B
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 15 English Option 2
C
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 15 English Option 3
D
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 15 English Option 4
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

Fluorine is a stronger oxidising agent than chlorine because :

(a) F-F bond has a low enthalpy of dissociation.

(b) Fluoride ion (F$$-$$) has high hydration enthalpy.

(c) Electron gain enthalpy of fluorine is less negative than chlorine.

(d) Fluorine has a very small size.

Choose the most appropriate answer from the options given :

A
(b) and (c) only
B
(a) and (b) only
C
(a) and (c) only
D
(a) and (d) only
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language

KH value for some gases at the same temperature 'T' are given :

Gas K$$_H$$/k bar
Ar 40.3
CO$$_2$$ 1.67
HCHO 1.83 $$\times$$ 10$$^{ - 5}$$
CH$$_4$$ 0.413

where KH is Henry's Law constant in water. The order of their solubility in water is :

A
HCHO < CH4 < CO2 < Ar
B
Ar < CO2 < CH4 < HCHO
C
Ar < CH4 < CO2 < HCHO
D
HCHO < CO2 < CH4 < Ar
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