Haloalkanes and Haloarenes  MCQs

MCQs of Haloalkanes and Haloarenes

Showing 1 to 10 out of 112 Questions
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1.
In haloalkane _____ bond is formed between carbon and halogen.
(a) Ionic
(b) Van der Waals
(c) Covalent
(d) Hydrogen
Answer:

Option (c)

2.
In haloarene compounds, halogen combines with carbon having which hybridisation?
(a) sp2
(b) sp3
(c) sp
(d) dsp2
Answer:

Option (a)

3.
In haloalkane, carbon in C-X bond possesses which partial electric charge ?
(a) Chargeless
(b) Positive
(c) Negative
(d) Anionic
Answer:

Option (b)

4.
What is B in R-OH + PX5 → R-X + B + HX ?
(a) HPOX3
(b) H3PO3
(c) POX3
(d) H3PO2
Answer:

Option (c)

5.
Which catalyst is used in preparation of bromobenzene by bromination of benzene ?
(a) FeBr3
(b)  HBr
(c) AlBr3
(d) Br2
Answer:

Option (a)

6.

By which name the reaction CH3-Br + Ag-F → CH3F + AgBr is known ?

(a) Grignard
(b) Wurtz
(c) Fitting
(d) Swartz
Answer:

Option (d)

7.
What are nucleophilic reagents according to Lewis theory ?
(a) Acid
(b) Base
(c) Neutral molecules
(d) Positive ions
Answer:

Option (b)

8.
On which of the following factors the stability of carbocation depends ?
(a) Resonance
(b) Temperature
(c) Trasition state
(d) Reaction rate
Answer:

Option (a)

9.
What is called an optically active substbnce ?
(a) Which reflects polarised light
(b) Which rotates the plane of polarised light
(c) Which increases rate of polarised light
(d) Which absorbs polarised light
Answer:

Option (b)

10.
Arrange giving the sequence order to Br, CI, F and H combined with asymmetric carbon.
(a) H, CI, Br, F
(b) H, CI, F, Br
(c) Br, CI, F, H
(d) H, F, Br, CI
Answer:

Option (c)

Showing 1 to 10 out of 112 Questions
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