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Aromatic nitro compounds



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Q1. If X is the positive end of dipole, it will cause which effect?

(a) -I effect
(b) +I effect
(c) Causes both
(d) -M effect

Q2. -I effect causes _______ to electron?

(a) Attraction
(b) Repulsion
(c) Does not affect
(d) None of the mentioned

Q3. If X is negative in the inductive effect, it draws _____ towards itself.

(a) Protons
(b) Electrons
(c) All of the mentioned
(d) None of the mentioned

Q4. The inductive effect is not associated with the dipole movement between the molecules C6H5-X?

(a) True
(b) False
(c) Amine
(d) high

Q5. What is alpha and beta position in naphthalene series?

(a) 1,4 and 1,8
(b) 1,5 and 1,8
(c) 1,3 and 1,6
(d) All of the mentioned

Q6. Nitration products at ortho and para position predominates?

(a) True
(b) False
(c) Direct substitution
(d) Oxalic acid

Q7. The electron density is least at which position?

(a) Ortho
(b) Para
(c) Meta
(d) Equal at all places

Q8. In which position does the nitro group enters?

(a) Ortho
(b) Para
(c) Meta
(d) All of the mentioned

Q9. The nitrating agent is a ______ reactant.

(a) Electrophilic
(b) Nucleophilic
(c) All of the mentioned
(d) None of the mentioned

Q10. ArH + ____ ??-> ArNO2 + H2O.

(a) HNO
(b) HNO2
(c) HNO3
(d) Not needed


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Modified 139 Year Ago

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Modified 2 Year Ago

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293 views

Modified 2 Year Ago

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0 Answer
252 views

Modified 2 Year Ago

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Severity: Notice

Message: Trying to get property 'name' of non-object

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0 votes
0 Answer
252 views

Modified 2 Year Ago

A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'name' of non-object

Filename: views/index.php

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Backtrace:

File: /home/u866816117/domains/testprepkart.com/public_html/free-preparation/application/views/index.php
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