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

Given below are two statements

Statement I : Primary aliphatic amines react with HNO2 to give unstable diazonium salts.

Statement II : Primary aromatic amines react with HNO2 to form diazonium salts which are stable even above 300 K.

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.
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Which statement regarding polymers is not correct?

A
Elastomers have polymer chains held together by weak intermolecular forces
B
Fibers possess high tensile strength
C
Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively
D
Thermosetting polymers are reusable
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

In one molal solution that contains 0.5 mole of a solute, there is

A
500 mL of solvent
B
500 g of solvent
C
100 mL of solvent
D
1000 g of solvent
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

RMgX + CO2 $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{dry}} $$ Y $$\buildrel {{H_3}{O^ + }} \over \longrightarrow $$ RCOOH

What is Y in the above reaction?

A
RCOO$$-$$Mg+X
B
R3CO$$-$$Mg+X
C
RCOO$$-$$X+
D
(RCOO)2Mg
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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